it'll get very dense and pull together with Gravity to eventually make a star.
I am pretty sure it is B. diaphragm hope it help
Active transport uses energy passive transport does not..... active transport moves from lower to higher concentration and vice versa in passive transport.... both use carrier proteins....
If the exercise is intense,breathing rates may increase from a typical resting rate of 15 breaths per minute up to 40-50 breaths per minute.
