I think it’s zero, it might be zero
epithelial<span> tissue lines the interior and exterior body surfaces; connective tissue provides support for the body and connects its parts; </span>nervous<span> tissue carries messages in the form of nerve impulses throughout the body; and muscle tissue is responsible for voluntary </span>
Answer:
They carry blood which is low in oxygen and high in carbon dioxide into your lungs so that the carbon dioxide can be blown off, and more oxygen can be absorbed into the bloodstream. it is pumped all around your body to supply oxygen to cells and organs.
Can i get brainliest plz?