2 cardiac output is defined of blood each time B) atrium c) aorta value 28 In hu

Question

2 cardiac output is defined of blood each time B) atrium c) aorta value 28 In humans, which blood vessels have valves? A) arteries in the neck B) arterioles C capillaries D) venules E) veins 29) As blood moves away from the heart the telative wine and mumber bland vewel A) decreases drops B) decreases increases C) increases drops D) increases increases Which arrow shows the of digestive by the pancreas? release enrymes A) arrow A c) arrow c E E arrow 31) The chief advantage of gas in water is air more onygen than air. than in in water A) dioxide is easier to exchange lungs. medium is D) less energy is required to ventilate compared to B) no energy carbon is used to the as the keep E) contact between the

Explanation / Answer

1. A. Ventricles

2. E. Veins

3. A. Decreases and drops

4. E. Arrow E

5. C. Contact between the respiratory surface and the gas containing medium is more.

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