Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Chapter 20, Problem 27CP
Why is the cardiovascular system one of the first systems to develop?
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How does the circulatory system contribute to homeostasis?
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Chapter 20 Solutions
Principles of Anatomy and Physiology
Ch. 20 - l. Define each of the following external features...Ch. 20 - 2. Describe the structure of the pericardium and...Ch. 20 - 3. What are the characteristic internal features...Ch. 20 - Prob. 4CPCh. 20 - 5. What is the relationship between wall thickness...Ch. 20 - Prob. 6CPCh. 20 - What causes the heart valves to open and to close?...Ch. 20 - In correct sequence, which heart chambers, heart...Ch. 20 - Prob. 9CPCh. 20 - Prob. 10CP
Ch. 20 - 11. In what ways are autorhythmic fibers similar...Ch. 20 - What happens during each of the three phases of an...Ch. 20 - 13. In what ways are ECGs helpful in diagnosing...Ch. 20 - How does each ECG wave, interval, and segment...Ch. 20 - 15. Why must left ventricular pressure be greater...Ch. 20 - Prob. 16CPCh. 20 - During which two periods of the cardiac cycle do...Ch. 20 - Prob. 18CPCh. 20 - Prob. 19CPCh. 20 - Prob. 20CPCh. 20 - Prob. 21CPCh. 20 - Define cardiac reserve. How does it change with...Ch. 20 - Prob. 23CPCh. 20 - 24. What are some of the cardiovascular benefits...Ch. 20 - Prob. 25CPCh. 20 - Prob. 26CPCh. 20 - Why is the cardiovascular system one of the first...Ch. 20 - From which tissue does the heart develop?Ch. 20 - Gerald recently visited the dentist. During the...Ch. 20 - 2. Unathletic Sylvia resolves to begin an exercise...Ch. 20 - 3. Mr. Perkins is a large, 62-year-old man with a...
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- What does Singer think is more valuable, a human embryo or the life of an ape? How does he justify his point of view? (max. 150 words)arrow_forwardWhat is the function of the blood vessels and capillaries? 1) They pump blood to the heart. 2) They filter impurities from the blood. 3) They carry blood to all parts of the body. 4) They carry messages from the brain to the musclesarrow_forwardHow circulatory system helps in maintaining homeostasis?arrow_forward
- What is a human heart made up of? a) Tissues b) Muscle c) Skin d) Bonearrow_forwardWhich organ system regulates blood volume, controls acid–base balance, and stimulates red blood cell production?a. digestive systemb. lymphatic systemc. nervous systemd. urinary systeme. circulatory systemarrow_forwardHow does a simple tube become the complex structures of the brain and spinal cord that generate both thought and movement?arrow_forward
- Your aunt has had back problems for years, and rather than have surgery, she decides to research alternative medicine. You had never heard of this type of medicine and was curious if it can help people. Research the term “alternative medicine” and provide a summary of the types of treatments alternative medicine provides. Do you think alternative medicine can be used as a replacement for traditional medical care?arrow_forwardWhat is the name of the cavity that surrounds the heart? Which cavities surround the lungs?arrow_forwardMany diseases experienced in infancy are relatively benign, but can be life threatening in adults. Why do you think this is the case?arrow_forward
- Which statement regarding fetal/maternal circulation is correct? Question 25 options: a) Two arteries in the umbilical cord carry deoxygenated blood and waste products away from the fetus to the placenta b) Two veins in the umbilical cord carry blood that is high in carbon dioxide and other waste products away from the fetus to the placenta c) Two arteries carry freshly oxygenated blood and nutrient-rich blood back from the placenta to the fetus d) One artery carries freshly oxygenated blood and nutrient-rich blood back from the placenta to the fetusarrow_forwardWhat would happen if a homeostatic failed?arrow_forwardWhat is the first major event that occurs during organogenesis?arrow_forward
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