Capillaries<span> are the smallest of the body's blood </span>vessels<span>. They are only one cell thick, and they are the sites of the transfer of oxygen and other nutrients from the bloodstream to other tissues in the body; they also collect carbon dioxide waste materials and fluids for return to the veins.</span>
Answer:
stress can be very harmful to our helath it can cause depression
Explanation:
False, if you are bleeding from the veins you always need to get checked out ASAP
