Question

1. What is the function of the circulatory system?

A. Control the flow of oxygen in your body
B. Control the flow of nutrients in you body
C. Control the flow of blood in your body

2. What is the function of the respiratory system?
A. Control the flow of oxygen in your body
B. Control the flow of nutrients in you body
C. Control the flow of blood in your body

3. What is the function of capillaries?
A. Carry oxygen-rich blood to veins
B. Carry Oxygen -depleted blood to veins
C. Pump oxygen through arteries

4. When your are sleeping, your resting heart rate is about1 beat per second
A. True
B. False

5. Oxygen is stored in tiny sponge like sacs called
A. Aviary
B. Alveoli
C. Ravioli

Answer 1

1. I believe the answer is B. because the circulatory system is an organ system that transports nutrients throughout your body.

2. The respiratory system is a group of organs that control the flow of oxygen in your body. or option A

3. I believe the capillaries are very thin blood vessels that bring oxygen-rich blood to veins or option A

4. not completely sure but best guess is A True

5. best answer is B. Alveoli

Answer 2

#1- The circulatory system controls the flow of nutrients through he body.

#2-Controls the flow of oxygen.

#3-Carries oxygen rich blood.

#4- I think true, they beat about 40-50 beats per minutes when sleeping.

#5-Alveoli.

-Steel jelly