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Life 103 study guide for exam 2

by: Devrrae Russell

Life 103 study guide for exam 2 LIFE 103

Marketplace > Colorado State University > Life Science > LIFE 103 > Life 103 study guide for exam 2
Devrrae Russell

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About this Document

These notes cove the material for unit 2
Lisa Angeloni
Study Guide
Digestive System, Excretory System, respirtory, human physiology circulatory system immunity cardiovascular, hormone regulation, Endocrine system
50 ?




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This 8 page Study Guide was uploaded by Devrrae Russell on Monday October 10, 2016. The Study Guide belongs to LIFE 103 at Colorado State University taught by Lisa Angeloni in Fall. Since its upload, it has received 15 views. For similar materials see /class/210119/life-103-colorado-state-university in Life Science at Colorado State University.


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Date Created: 10/10/16
Life 103 Study Guide for Exam 2 1. Which of the following is a question about physiology? a. Are there any living birds with claws on the ends of their wings? b. Do salamanders and frogs have the same number of toes on their front feet? c. How is blood pressure affected by physical activity? d. Do baleen whales have teeth? e. Is it true that apes do not have fleshy tails like monkeys? 2. Food processing and the absorption and distribution of nutrients within your body are mainly accomplished by the __________ systems. a. respiratory and circulatory b. integumentary and excretory c. endocrine and integumentary d. immune and lymphatic e. digestive and circulatory 3. Which of the following are types of cell found in epithelial tissues? a. squamous, cuboidal, and columnar cells b. Neurons c. erythrocytes and leukocytes d. fibroblasts and osteoblasts e. chondrocytes and osteoblasts 4. Thermoregulation is the control of body... a. fluids b. glucose c. temperature d. pH 5. The part of the brain which is involved with temperature control is called the... a. osmoregulatory centre b. thermoreceptor centre c. thermoregulatory centre d. cortex 6. What is the normal core body temperature for humans? a. 36 degrees C b. 37 degrees C c. 38 degrees C d. 39 degrees C 7. Receptors inside the thermoregulatory centre detect blood... a. pH b. oxygen c. temperature d. pressure 8. During sweating, body temperature... a. decreases b. increases c. remains the same d. decreases and then increases 9. Temperature receptors are found in the brain and also in the... a. liver b. heart c. skin d. mouth 10. Information about skin temperature is sent to the brain by... a. nerve cells b. heart cells c. brain cells d. muscle cells 11. Which process cools the skin during sweating? a. Transpiration b. Respiration c. Condensation d. Evaporation 12. When we are too cold, these trap a layer of air for insulation. a. Hairs b. Mucus c. Sweat glands d. Capillaries 13. This happens when it is cold in order to generate heat from respiration. a. Seizures b. Crying c. Yawning d. Shivering 14. The mechanical and chemical receptors that control digestive activity are located ________ 15. The function of the hepatic portal circulation is to ________. 16. The chemical and mechanical processes of food breakdown are called ________. 17. When we ingest large molecules such as lipids, carbohydrates, and proteins, they must undergo catabolic reactions whereby enzymes split these molecules. This series of reactions is called ________. 18. The sheets of peritoneal membrane that hold the digestive tract in place are called ________ 19. From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen. 20. The structure known as the fauces is the ________. 21. The epithelial membrane called the mucosa ________. 22. The capillaries that nourish the epithelium and absorb digested nutrients lie in the ________ 23. The plicae circulares and intestinal villi are found in which of the four layers of the alimentary tube wall? 24. The structures that produce new cells for the mucosa of the small intestine are the ________. 25. The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of the following accomplish this task? 26. The salivary glands are composed of which two types of secretory cells? 27. The solutes contained in saliva include ________. 28. In addition to storage and mechanical breakdown of food, the stomach ________. 29. Chyme is created in the ________. 30. Hydrochloric acid is secreted by which of the secretory cells of the stomach? 31. There are three phases of gastric secretion. The cephalic phase occurs ________. 32. Peristaltic waves are ________. 33. Gastrin is a digestive hormone that is responsible for the stimulation of acid secretions in the stomach. These secretions are stimulated by the presence of ________. 34. Pepsinogen, a digestive enzyme, is secreted by the ________. 35. You have just eaten a meal high in complex carbohydrates. Which of the following enzymes will help to digest the meal? 36. The ducts that deliver bile and pancreatic juice from the liver and pancreas, respectively, unite to form the ________. 37. The enzymatic breakdown of any type of food molecule is called ________. 38. Short-chain triglycerides found in foods such as butterfat molecules in milk are split by a 39. specific enzyme in preparation for absorption. Which enzyme is responsible for this? 40. Parietal cells of the stomach produce ________. 41. Hepatocytes do not ________. 42. What is reproduction? A: when parents make offspring B: when offspring make adults C: when offspring is an exact copy of its parent 43. Some simple invertebrates reproduce by budding. What is budding? A: when an animal develops from a part of its parent B: when a bud forms on the adult's body and develops into a new animal C: when a leaf buds into a flower 44. Sea stars and other echinoderms can reproduce by regeneration. What is regeneration? A: an exact copy of its parent B: a whole animal develops from a part of the original animal C: when an animal develops from an egg D: all of the above 45. Why do animals reproduce? A: to make new animals B: obligation to the species C: to get rid of unhealthy animals 46. Which kind of animal would a bird produce? A: owl B: bird C: monkey D: butterfly 47. How many parents are involved in budding and regeneration? A: 0 B: 1 C: 2 D: 3 48. Both budding and regeneration produce clones. What is a clone? A: an exact copy of its parent B: similar traits of its parent C: exact opposite of its parent 49. When traits are passed from parent to offspring, those traits are ______________ . A: characteristics B: inherited C: similar D: different 50. Another kind of reproduction requires cells from two parents. What is the female cell called? A: sperm B: fertilization C: egg 51. The male cell is called the sperm. When an egg and a sperm join, what happens? A: fertilization B: regeneration C: rebirth D: budding 52. What is the main function of the respiratory system? A: to break food down B: supply the blood with oxygen C: circulate the blood 53. How does the respiratory system deliver oxygen to different parts of the body? A: breathing B: circulation C: inhale carbon dioxide 54. Which part of the body is not used for the respiratory system to work? A: mouth B: nose C: small intestine D: diaphragm 55. What is the diaphragm's main function? A: pump blood into the lungs B: pump carbon dioxide out of the lungs and pull oxygen into the lungs C: pump oxygen out of the lungs and pull carbon dioxide into the lungs 56. Inside each of your lungs there are tubes called bronchi. These branch into even smaller tubes much like the branches of a tree. What are at the ends of these tubes? A: alveoli B: diaphragms C: cells 57. What would happen if your respiratory system stopped working? A: you would get a transplant B: you would die C: nothing 58. Which of the following is affected by the respiratory system? A: yawn B: hiccup C: sneeze D: all of the above 59. What is responsible for picking up the oxygen in lungs and carrying it to all the body cells that need it? A: red blood cells B: white blood cells C: veins 60. The trachea is a part of the respiratory system. What can the trachea also be called and what is its function? A: windpipe, filters the air we breathe B: windpipe, releases air out of the body C: tubes; carries air to the lungs 61. About how many miles of airways do your lungs contain? A: 150 miles B: 1500 miles C: 100 miles D: 500 miles 62. What is the main function of the Excretory System? A: to excrete saliva B: get rid of waste products from your cells C: break down food for digestion D: circulate oxygen 63. What is an example of a waste product? A: extra water and salts B: unhealthy foods C: fruits and vegetables D: pizza and lasagna 64. Which of the following is NOT an organ of the excretory system? A: liver B: kidneys C: skin D: heart 65. The ____________ filters wastes from the blood. A: heart B: kidneys C: liver D: stomach 66. Where does urine flow? A: from the stomach to the liver B: from the kidney to the bladder C: from the bladder to the kidney 67. Where does the urine get stored before it is pushed out of the body? A: bladder B: liver C: stomach D: kidney 68. When does the skin take part in excretion? A: all the time B: never C: when a person sweats D: when a person sleeps 69. What makes up sweat? A: water B: water and minerals the body does not need C: water and minerals the body needs 70. How many kidneys does the human body have? A: 1 B: 2 C: 3 D: 4 71. How does sweating help the human body? A: it cools the body B: it warms the body C: it makes the body feel comfortable


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