17
Which statement is true? *
(5 Points)
Humans need Carbon Dioxide in order to live.
The circulatory system along with the respiratory system helps get oxygen to every muscle in the body.
Body temperature is controlled by the temperature outside
Red blood cells help heal wounds.

What are chlorofluorocarbons made of

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline. which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal