19. The diagram below is a schematic representation of the circulatory system. In other words, it is not meant to be a realistic drawing of body parts, but only to show the basic scheme of the system – the relationships among its parts and the sequence of events that occur in the system. The circulation of blood is vital to the process of respiration, since the blood carries fresh oxygen to the cells of the body and returns carbon dioxide to the lungs to be expelled. As you have learned, arteries are the blood vessels that carry blood away from the heart. Which blood vessels in the diagram are arteries? The arrows indicate the blood vessels 2 and 3 carry blood away from the heart, so they are arteries. Blood vessels 1 and 4, which return blood to the heart, are veins. Study the diagram below and then answer the questions that follow. Неart Body cells Lungs Key: O Oxygen-rich blood Carbon dioxide-rich blood A. Refer to the diagram. Blood that is rich in oxygen is found in which two of the numbered blood vessels? State one purpose of this blood in the body. B. Compared with blood vessel 1, is there more or less carbon dioxide in blood vessel 4? Explain why your answer would be true. C. Based on the diagram, which of the following statements is true? Give one reason for this fact. Statement 1: All arteries carry oxygen-rich blood. Statement 2: All veins carry oxygen-rich blood. Statement 3: Arteries from the heart to the lungs carry oxygen-rich blood. Statement 4: Veins from the lungs to the heart carry oxygen-rich blood.
19. The diagram below is a schematic representation of the circulatory system. In other words, it is not meant to be a realistic drawing of body parts, but only to show the basic scheme of the system – the relationships among its parts and the sequence of events that occur in the system. The circulation of blood is vital to the process of respiration, since the blood carries fresh oxygen to the cells of the body and returns carbon dioxide to the lungs to be expelled. As you have learned, arteries are the blood vessels that carry blood away from the heart. Which blood vessels in the diagram are arteries? The arrows indicate the blood vessels 2 and 3 carry blood away from the heart, so they are arteries. Blood vessels 1 and 4, which return blood to the heart, are veins. Study the diagram below and then answer the questions that follow. Неart Body cells Lungs Key: O Oxygen-rich blood Carbon dioxide-rich blood A. Refer to the diagram. Blood that is rich in oxygen is found in which two of the numbered blood vessels? State one purpose of this blood in the body. B. Compared with blood vessel 1, is there more or less carbon dioxide in blood vessel 4? Explain why your answer would be true. C. Based on the diagram, which of the following statements is true? Give one reason for this fact. Statement 1: All arteries carry oxygen-rich blood. Statement 2: All veins carry oxygen-rich blood. Statement 3: Arteries from the heart to the lungs carry oxygen-rich blood. Statement 4: Veins from the lungs to the heart carry oxygen-rich blood.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:19. The diagram below is a schematic representation of the circulatory system. In other words, it
is not meant to be a realistic drawing of body parts, but only to show the basic scheme of the
system – the relationships among its parts and the sequence of events that occur in the system.
The circulation of blood is vital to the process of respiration, since the blood carries fresh
oxygen to the cells of the body and returns carbon dioxide to the lungs to be expelled.
As you have learned, arteries are the blood vessels that carry blood away from the heart.
Which blood vessels in the diagram are arteries? The arrows indicate the blood vessels 2 and
3 carry blood away from the heart, so they are arteries. Blood vessels 1 and 4, which return
blood to the heart, are veins. Study the diagram below and then answer the questions that
follow.
Heart
Body cells
Lungs
Key:
Oxygen-rich blood
Carbon dioxide-rich blood
A. Refer to the diagram. Blood that is rich in oxygen is found in which two of the numbered
blood vessels? State one purpose of this blood in the body.
B. Compared with blood vessel 1, is there more or less carbon dioxide in blood vessel 4?
Explain why your answer would be true.
C. Based on the diagram, which of the following statements is true? Give one reason for
this fact.
Statement 1: All arteries carry oxygen-rich blood.
Statement 2: All veins carry oxygen-rich blood.
Statement 3: Arteries from the heart to the lungs carry oxygen-rich blood.
Statement 4: Veins from the lungs to the heart carry oxygen-rich blood.
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