Exam 14:The Vascular System-Part B

During exercise,blood flow to the heart will _______________________,and blood flow to the skeletal muscles will ________________________.

In veins,backflow of blood is prevented by __________________.

When venous return increases,the heart contracts more forcefully; this is called __________________________.

In pulmonary circulation,blood is pumped to the lungs by the ________________________.

The layer of the wall of an artery that is smooth to prevent abnormal clotting is the ____________________________.

When vasodilation is needed to lower BP,the arteries receive fewer ____________________ impulses.

Two hormones that affect blood pressure because they affect blood volume are _____________________ and ______________________.

In capillaries,the process of filtration depends on _________________________.

Simple squamous epithelium forms the ____________________ of an artery,and its function is to __________________________.

Venous return is the amount of blood that is returned to the ______________________.