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| 1 | |
The transfer of oxygen to the body's cells takes place in the |
| | A) | arteries. |
| | B) | arterioles. |
| | C) | capillaries. |
| | D) | venules. |
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| 2 | |
Fluid is driven through the lymphatic system by |
| | A) | contraction of the walls of the lymphatic vessels. |
| | B) | pressure created by the pumping of the heart. |
| | C) | contractions of the lymph nodes. |
| | D) | squeezing of the lymphatic vessels by the body's muscles. |
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| 3 | |
The component of blood that is responsible for clotting is |
| | A) | platelets. |
| | B) | erythrocytes. |
| | C) | neutrophils. |
| | D) | basophils. |
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| 4 | |
The circulatory system and endocrine system are interrelated in which of the following ways? |
| | A) | The glands of the endocrine system produce and secrete hormones that are delivered to other body sites via the circulatory system. |
| | B) | Only the temperature of blood regulates the rate at which many endocrine glands produce hormones. |
| | C) | Hormones produced by the endocrine system are absorbed by lymphocytes and delivered to other body sites. |
| | D) | Hormones produced by the endocrine system control the activities of blood cells. |
| | E) | The circulatory system is a part of the endocrine system. |
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| 5 | |
In fish, blood flows in which direction? |
| | A) | conus arteriosus, sinus venosus, atrium, ventricle |
| | B) | ventricle, atrium, conus arteriosus, sinus venosus |
| | C) | sinus venosus, atrium, ventricle, conus arteriosus |
| | D) | ventricle, conus arteriosus, atrium, sinus venosus |
| | E) | None of the above |
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