1. A pulmonary artery carries blood from a. the right ventricle to the lung.
b. the lung to the left atrium.
c. one lung to the other.
d. the pulmonary vein to the heart.

bc blah

explanation:

bc blah

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully