Answer:
Decrease in pressure
Explanation:
In the respiratory pump process to increase venous return, inhalation results in a decrease in pressure in the thoracic cavity, which causes the inferior vena cava and right atrium to expand and fill with blood.
It could be that Kima has more muscle which could lead to her weighing more than her sister
I think it should be B because to improve your'e physical fitness you have to do regular excercise
I think you should google it on the internet I appreciate it ok bye
