Question 1
What is the function of the circulatory system?


Control the flow of oxygen in your body


Control the flow of nutrients in you body


Control the flow of blood in your body

Question 2
What is the function of the respiratory system?


Control the flow of oxygen in your body


Control the flow of nutrients in your body


Control the flow of blood in your body

Question 3
What is the function of capillaries?



Carry oxygen-rich blood to veins


Carry Oxygen -depleted blood to veins


Pump oxygen through arteries

Question 4
True or False: When your are sleeping, your resting heart rate is about1 beat per second

True
False

Question 5 Oxygen is stored in tiny sponge like sacs called


Aviary


Alveoli


Ravioli