5.
Which is a characteristic of a capillary?
controls blood flow to the organs
carries blood away from the heart
has valves to direct blood flow
has walls that are one cell thick
1 answer
has walls that are one cell thick
Which is a characteristic of a capillary?
controls blood flow to the organs
carries blood away from the heart
has valves to direct blood flow
has walls that are one cell thick
1 answer