is there any answer choices?
I think C. You can't have just proteins or no fats in your diet. It needs to be balanced with a little of everything.
Answer:
pumps, contracts, or beats. im not sure bc we cant see any multiple choice questions
Explanation:
The heart beats (expands and contracts) about 100,000 times per day, pumping five or six quarts of blood each minute, or about 2,000 gallons per day.
