Question

1. After muscular exercise, which blood vessel carries the most carbon dioxide?

aorta
hepatic artery
pulmonary
vena cava
2. The coronary arteries carry blood to the

brain tissue
heart muscle
liver cells
walls of alveolus
3. Which substance passes out of the capillaries and into the tissue fluid around muscle cells?

carbon dioxide
glucose
glycogen
urea
4.What causes the transfer of materials between capillaries and tissue fluid?

active transport
blood pressure
capillary
osmosis
5. Which statement explains why humans are said to have a double circulation?

As blood circulates it passes twice through the heart
Each side of the heart has two chambers
Each side of the heart has two valves
There are two different sets of arteries leaving the heart
6. In the human body, blood circulating from the gut to the heart passes through the

aorta
kidneys
liver
lungs
7.Blood enters the left atrium of the heart through

the aorta
the bicuspid valve
the posterior vena cava
the pulmonary vein
8. Which blood vessel carries absorbed food material from the small intestine to the liver?

coronary artery
hepatic portal vein
pulmonary artery
renal vein
9. Compared to a vein, an artery has

a thinner wall
a wall with more elastic tissue
a wider lumen
valves
10. Two hours after eating a meal, which vessel contains blood with the highest concentration of glucose?

aorta
hepatic portal vein
pulmonary vein
renal



PLEASE HELP ME IN THIS!!!!

Answer 1

Answer:

1) aorta

2) heart muscle

3) carbon dioxide

4) blood pressure

5) a option

6)

7) pulmonary vein

8) hepatic portal vein

9) a wall with more elastic tissue

10) hepatic portal vein