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Table of Contents
本文是英语学习笔记,所有版权归原教材作者所有。
Glencoe Science模块系列教材,模块D - Human Body Systems,2005版,276页。全书分为7大章(Chapter),每章由若干小节(Section)构成,各章后附有Study Guide,Review与Standardized Test Practice。
Cover Description: Parts of the human body systems are shown here. Although each system has a different role, they function together to maintain homeostasis. A human needs all systems operating together in order to survive.
Index | Page | Terminology | Description |
84 | 8 | skeletal system | all the bones in the body; forms an internal, living framework that provides shape and support, protects internal organs, moves bones, forms blood cells, and stores calcium and phosphorus compounds for later use. |
70 | 9 | periosteum | touch, tight-fitting membrane that cover a bone's surface and contains blood vessels that transport nutrients into the bone. |
20 | 10 | cartilage | in humans, thick, smooth, flexible and slippery tissue layer that covers the ends of bones, makes movement easier by reducing friction and absorbs shocks. |
47 | 11 | joint | any place where two or more bones come together; can be movable or immovable. |
50 | 11 | ligament | tough band of tissue that holds bones together at joints. |
60 | 14 | muscle | organ that can relax, contract, and provide the force to move bones and body parts. |
46 | 15 | involuntary muscle | muscle, such as heart muscle, that cannot be consciously controlled. |
105 | 15 | voluntary muscle | muscle, such as a leg or arm muscle, that can be consciously controlled. |
19 | 17 | cardiac muscle | striated, involuntary muscle only found in the heart. |
83 | 17 | skeletal muscle | voluntary, striated muscle that moves bones, works in pairs, and is attached to bones by tendons. |
85 | 17 | smooth muscle | involuntary, nonstriated muscle that controls movement of internal organs. |
90 | 17 | tendon | thick band of tissue that attaches bones to muscles. |
36 | 20 | epidermis | outer, thinnest skin layer that constantly produce new cells to replace the dead cells rubbed off its surface. |
30 | 21 | dermis | skin layer below the epidermis that contains blood vessels, nerves, oil and sweat glands, and other structures. |
56 | 21 | melanin | (from Greek melas, melan- ‘black’ + -in 'chemical compounds') pigment produced by the epidermis that protects skin from sun damage and gives skin and eyes their color. |
64 | 36 | nutrients | substances in foods --- proteins, carbonhydrates, fats, vitamins, minerals, and water --- that provide energy for cell development, growth, and repair. |
5 | 37 | amino acid | building block of protein. |
77 | 37 | protein | large molue that contains carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur and is made up of amino acids; used by the body for growth and for replacement and repair of body cells. |
18 | 38 | carbonhydrate | nutrient that usually is the body's main source of energy. |
37 | 39 | fat | nutrient that stores energy, cushions organs, and helps the body absorb vitamins. |
104 | 40 | vitamin | water-soluble or fat-soluble organic nutrient needed in small quantities for growth, for preventing some diseases, and for regulating body functions. |
59 | 42 | mineral | inorganic nutrient that regulates many chemical reactions in the body. |
40 | 44 | food group | group of foods --- such as bread, cereal, rice, and pasta --- containing the same type of nutrients. |
24 | 47 | chemical digestion | occurs when enzymes and other chemicals break down large food molecules into smaller one. |
32 | 47 | digestion | mechanical and chemical breakdown of food into small molecules that cells can absorb and use. |
55 | 47 | mechanical digestion | breakdown of food through chewing, mixing, and churning. |
35 | 48 | enzyme | a type of protein that speeds up chemical reactions in the body without being changed or used up itself. |
72 | 50 | peristalsis | (from Greek peristallein ‘wrap around’, from peri- ‘around’ + stallein ‘to place’) waves of muscular contractions that move food through the digestive tract. |
26 | 51 | chyme | (from late Latin chymus, from Greek khūmos ‘juice’) liquid product of digestion. |
102 | 52 | villi | fingerlike projections covering the wall of small intestine that increase the surface area for food absorption. |
11 | 65 | atrium | two upper chambers of the heart that contract at the same time during a heartbeat. |
28 | 65 | coronary circulation | flow of blood to and from the tissues of the heart. |
78 | 66 | pulmonary circulation | flow of blood through the heart to the lungs and back to the heart. |
101 | 66 | ventricles | two lower chambers of the heart, that contract at the same time, during a heartbeat. |
88 | 67 | systemic circulation | largest part of the circulatory system, in which oxygen-rich blood flows to all the organs and body tissues, except the heart and lungs, and oxygen-poor blood is returned to the heart. |
9 | 68 | artery | blood vessel that carries blood away from the heart, and has thick, elastic walls made of connective tissue and smooth muscle tissue. |
100 | 68 | vein | blood vessel that carries blood back to the heart, and has one-way valves that keep blood moving toward the heart. |
17 | 69 | capillary | microsopic blood vessel that connects arteries and veins; has walls one cell thick, through which nutrients and oxygen diffuse into body cells, and waste materials and carbon dioxide diffuse out of body cells. |
74 | 74 | plasma | liquid part of blood, made mostly of water, in which oxygen, nutrients, and minerals are dissolved. |
41 | 75 | hemoglobin | chemical in red blood cells that carries oxygen from the lungs to body cells, and carries some carbon dioxide from body cells back to the lungs. |
75 | 75 | platelet | irregularly shaped cell fragement that helps clot blood and releases chemicals, that help form fibrin. |
51 | 80 | lymph | tissue fluid that has diffused into lymphatic capillaries. |
52 | 80 | lymph nodes | bean-shaped organs found throughout the body that filter out microorganisms and foreign materials taken up by the lymphocytes. |
53 | 80 | lymphatic system | carries lymph through a network of lymph capillaries and vessels, and drains it into large veins near the heart; helps fight infections and diseases. |
54 | 80 | lymphocyte | a type of white blood cell that fights infection. |
73 | 94 | pharynx | tubelike passageway for food, liquid, and air. |
4 | 95 | alveolus / alveoli | (from Latin, ‘small cavity’, diminutive of alveus) tiny, thin-walled, grapelike clusters at the end of each bronchiole that are surround by capillaries; carbon dioxide and oxygen exchange takes place. |
16 | 95 | bronchi | two short tubes that branch off at the end of the trachea and carry air into the lungs. |
49 | 95 | larynx | airway to which the vocal cords are attached. |
92 | 95 | trachea | air-conducting tube that connects the larynx with the bronchi, is lined with mucous membranes and cilia, and contains strong cartilage rings. |
31 | 96 | diaphragm | muscle beneath the lungs that contracts and relaxes to move gases in and out of the body. |
34 | 99 | emphysema | (from emphusan ‘puff up’) lung disease in which the alveoli enlarge. |
10 | 100 | asthma | (from Greek asthma 'breathe hard') lung disorder in which the bronchial tubes contract quickly and cause shortness of breath, wheezing, or coughing; may occur as an allergic reaction. |
95 | 101 | urinary system | system of excretory organs that rids the blood of wastes, controls blood volume by removing excess water, and balances concentrations of salts and water. |
48 | 102 | kidney | bean-shaped urinary system organ that is made up of about 1 million nephrons and filters blood, producing urine. |
96 | 102 | urine | wastewater that contains excess water, salts, and other wastes that are not reabsorbed by the body. |
61 | 103 | nephron | tiny filtering unit of the kidney. |
14 | 104 | bladder | elastic, muscular organ that holds urine until it leaves the body through the urethra. |
93 | 104 | ureter | tube that carries urine from each kidney to the bladder. |
94 | 104 | urethra | tube that carries urine from the bladder to the outside of the body. |
12 | 119 | axon | neuron structure that carries messages away from the cell body. |
29 | 119 | dendrite | (from Greek dendritēs ‘treelike’) neuron structure that receives messages and sends them to the cell body. |
42 | 119 | homeostasis | regulation of an organism's internal, life-maintaining. |
62 | 119 | neuron | basic functioning unit of the nervous system, made up of a cell body, dendrites, and axons. |
21 | 121 | central nervous system | division of the nervous system, made up of the brain and spinal cord. |
71 | 121 | peripheral nervous system | division of the nervous system, made up of all the nerves outside the CNS (central nervous system); connects the brain and spinal cord to other body parts. |
87 | 121 | synapse | small space across which an impulse moves from an axon to the dendrites or cell body of another neuron. |
15 | 122 | brain stem | connects the brain to the spinal cord and is made up of midbrain, the pons, and the medulla. |
22 | 122 | cerebellum | part of the brain that controls voluntary muscle movements, maintains muscle tone, and helps maintain balance. |
23 | 122 | cerebrum | largest part of the brain, where memory is stored, movements are controlled, and impulses from the senses are interpreted. |
79 | 125 | reflex | automatic, involuntary reponse to a stimulus; controlled by the spinal cord. |
80 | 129 | retina | light-sensitive tissue at the back of the eye; contains rods and cones. |
27 | 132 | cochlea | (from Greek kokhlias 'snail shell, screw, or spiral object') fluid-filled structure in the inner ear in which sound vibrations are converted into nerve impulses that are sent to the brain. |
65 | 133 | olfactory cell | (from Latin olfactare ‘to smell’) nasal nerve cell that becomes stimulated by molecules in the air and send impulses to the brain for interpretation of odors. |
89 | 134 | taste bud | major sensory receptor on the tongue; contains taste hairs that send impluses to the brain for interpretation of tastes. |
43 | 146 | hormone | in humans, chemical produced by the endocrine system, released directly into the bloodstream by ductless glands; affects specific target tissues, and can speed up or slow down cellular activities. |
81 | 152 | semen | mixture of sperm and a fluid that helps sperm move and supplies them with an energy source. |
86 | 152 | sperm | in humans, male reproductive cells produced in the testes. |
91 | 152 | testis | male organ that produces sperm and testosterone. |
66 | 153 | ovary | in humans, female reproductive organ that produces eggs and is located in the lower part of the body. |
67 | 153 | ovulation | monthly process in which an egg is released from an ovary and enters the oviduct, where it can become fertilized by sperm. |
97 | 153 | uterus | in humans, hollow, muscular, pear-shaped organ where a fertilized egg develops into a baby. |
99 | 153 | vagina | muscular tube that connects the lower end of the uterus to the outside of the body; the birth canal through which a baby travels when being born. |
57 | 154 | menstrual cycle | hormone-controlled monthly cycle of changes in the female reproductive system that includes maturation of an egg and preparation of the uterus for possible pregnancy. |
58 | 154 | menstruation | monthly flow of blood and tissue cells that occur when the lining of the uterus breaks down and is shed. |
76 | 158 | pregnancy | period of development --- usually about 38 or 39 weeks in female humans --- from fertilized egg until birth. |
6 | 159 | amniotic sac | thin, liquid-filled, protective membrane that forms around the embryo. |
33 | 159 | embryo | (from em- ‘into’ + bruein ‘swell, grow’) fertilized egg that has attached to the wall of uterus. |
39 | 160 | fetus | in humans, a developing baby after the first two months of pregancy until birth. |
38 | 162 | fetal stress | can occur during the birth process or after birth as an infant adjusts from a watery, dark, constant-temperature environment to its new environment. |
44 | 176 | immune system | complex group of defenses that protects the body against pathogens --- includes the skin, respiratory, digestive, and circulatory systems. |
7 | 178 | antibody | a protein made in response to a specific antigen that can attach to the antigen and cause it to be useless. |
8 | 178 | antigen | any complex molecules that is foreign to your body. |
1 | 179 | active immunity | long-lasting immunity that results when the body makes its own antibodies in response to a specific antigen. |
68 | 179 | passive immunity | immunity that results when antibodies produced in one animal are introduced into another's body; does not last as long as active immunity. |
98 | 179 | vaccination | process of giving a vaccine by mouth or by injection to provide active immunity against a disease. |
69 | 182 | pasteurization | (from the name of Pasteur, Louis) process in which a liquid is heated to a temperature that kills most bacteria. |
103 | 182 | virus | strand of hereditary material surrounded by a protein coating that can infect and multiply in a host cell. |
13 | 185 | biological vector | disease-carrying organism, such as a rat, mosquito, or fly, that spreads infectious disease. |
45 | 185 | infectious disease | disease caused by a virus, bacterium, fungus, or protist that is spread from an infected organism or the environment to another organisms. |
82 | 186 | sexually transmitted disease (STD) | infectious disease, such as chlamydia, AIDS, or genital herpes, that is passed from one person to another during sexual contact. (chlamydia 衣原体 - from Greek khlamus ‘cloak’; herpes 泡疹 - from Greek herpēs ‘shingles’, literally ‘creeping’) |
3 | 190 | allergy | overly strong reaction of the immune system to a foreign substance. |
63 | 190 | noninfectious disease | disease, such as cancer, diabetes, or asthma, that is not spread from one person to another. |
2 | 191 | allergen | substance that causes an allergic reaction. |
25 | 194 | chemotherapy | use of chemicals to destroy cancer cells. |
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