Arteries carry oxygen-poorblood from the heart to the body’s tissues and organs.

Question

(1 point)

True

False

Answer 1

False

Arteries carry oxygen-rich blood away from the heart to the body's tissues and organs. The exception is the pulmonary arteries, which carry oxygen-poor blood from the heart to the lungs.

Answer 2

Since the arteries keep pace with the heart, you can measure the heart rate by counting the contractions of the arteries.

(1 point)
Responses

True
True

False

Answer 3

True

You can measure the heart rate by counting the pulse at various points in the body, which reflects the contractions of the arteries as they expand and contract with the heartbeat.

Answer 4

Question
Capillaries are the largest of all blood vessels.

(1 point)
Responses

True
True

False

Answer 5

False

Capillaries are the smallest blood vessels, while arteries and veins are larger. Capillaries are responsible for the exchange of gases, nutrients, and waste products between the blood and tissues.

Answer 6

The exchange of oxygen and carbon dioxide takes place through the capillary wall.

(1 point)
Responses

True
True

False

Answer 7

True

The exchange of oxygen and carbon dioxide occurs through the thin walls of the capillaries, allowing for the transfer of these gases between the blood and surrounding tissues.