LET'S CHECK
A. Choose the letter of the best answer
1. all arteries carry oxygen-rich b...
Biology, 26.02.2021 08:50 itsmichaelhere1
LET'S CHECK
A. Choose the letter of the best answer
1. all arteries carry oxygen-rich blood except:
a. arteriole c. pulmonary artery
b. capillary d. aorta
2. what do you call the smallest blood vessels in the body?
a. artery c. capillary
b. arteriole d. venule
3. How many percent of the blood is made up of water?
a. 60% c. 80%
b. 70% d. 90%
4. what type of blood cell defends your body from infections?
a. artery c. vein
b. capillaries d. plasma
5. On what kinda of blood vessel does an oxygen-rich blood flow?
a. artery c. vein
b. red blood cell d. venules
6. which of the following blood vessels has the thickest walls?
a. artery c. vein
b. capillaries d. venules
7. why is blood important?
a. because it helps us keep healthy
b. because it has water that flows with it
c. because the blood is colored red and it flows like a river
d. flight the infectious things that enter the body
8. which of the following is the function of platelets?
a. form wounds scabs and clots
b. provide nutrients for the body
c. deliver oxygen to different body parts
d. flight the infectious things that enter the body
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