If the blood contains 10.5 mg/dL of calcium and the human body normally contains 6 quarts of blood, what mass of calcium (in grams) will be found in the total blood volume

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

What advantages does a pedigree have over a written passage?

Adistinctive characteristic of mammals that is not observed in other vertebrates is