Answer:
two (2)
Explanation:
Remember, the capillaries in simple words refer to a tiny vessel that aids in the removal of waste products, circulation of red blood cells, oxygen, and other vital nutrients to the entire body.
After observing the schematic representation of the human body's circulatory system, we can make the conclusion that the red blood cells will pass through two (2) capillary beds before it reaches the right atrium of the heart.
