What is the relationship between the Gulf Stream and the global conveyor belt?

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.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?