Circulatory System

Question 1

1. Which blood vessel allows diffusion to occur?

Answer 1

Capillaries

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Question 2

20. What causes blood pressure?

Answer 2

The force of which ventricles contract

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Question 3

39. The cardiovascular system consists of the heart, blood vessels, and _____?

Answer 3

Blood

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Question 4

53. The circulatory system carries oxygen and ____ to the body’s cells.

Answer 4

Glucose/nutrients

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Question 5

61. What blood vessel leads to the left atrium, and how high is it’s oxygen content?

Answer 5

Pulmonary veins; have mostly oxygen

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Question 6

41. When blood moves closer to the heart, does blood pressure increase or decrease?

Answer 6

Decrease

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