Which of the following is one way that the circulatory system maintain body temperature?

a carrying heat around the body
b controlling the flow of blood to the skin
c carrying nutrients and energy to the cells
d speeding up the blood flow to generate heat

Which organism actively hunts other

An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25

What best explains why atp is regarded as a renewable resource within the cell