The rate of blood flow in the blood vessels is inversely proportional to the ____

The rate of blood flow in the blood vessels is inversely proportional to the _____.

a. diameter of the blood vessel
b. blood type
c. percentage of oxygen in the blood
d. percentage of carbon dioxide in the blood

Question 2

In mammals, the heart has _____ chambers.

a. two c. four
b. three d.five

Question 3

Which of the following is not a major part of the circulatory system?

a. heart c. pancreas
b. arteries d. capillaries

Question 4

The respiratory system does all of the following except _____.

a. facilitates the exchange of gases c. helps produce sounds
b. helps control body temperature d. produces oxygen

Question 5

The _____ is a part of the avian (bird) respiratory system

a. syrinx c. alveoli
b. nostril d. diaphragm

Question 6

The actual exchange of gases in the respiratory system happens in the _____.

a. trachea c. capillaries
b. heart d. nose

Question 7

The _____ contains vocal cords that vibrate when air passes through them, producing sound.

a. nasal cavity c. bronchi
b. larynx d. esophagus

Question 8

The air and food passages of an animal cross in the _____.

a. larynx c. bronchi
b. pharynx d. trachea

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The rate of blood flow in the blood vessels is inversely proportional to the _____.