Explanation:
C) 60 the human body is 60 percent of body weight
Answer:
Gases, food nutrients, water, and wastes pass back and forth between body cells and the bloodstream across the thin walls of capillaries.
Explanation:
I believe the answer is b
Chest discomfort that feels like pressure , fullness, or a squeezing pain. unexplained shortness of breathing with and without chest comforts.