The blood vessels shrink so that less blood with leak out of the wound, platelets ( tiny cells in the blood) stick together around the wound which stop the bleeding (like patching a leak). The blood proteins and platelets join together and form a clot, the clot acts like a mesh to stop the bleeding.
A professor of microbiology.
Answer:The left ventricle
Explanation:The left chamber of the heart, precisely the left ventricle has the thickest wall because it is known as the MAJOR pump of the heart since it pumps at higher pressure