What is the specific name of the epithelial tissue in tunica intima?

Which hormone can lower blood pressure:    

The normal pH of blood is__________________________; it is maintained by___________________________.

Mesenteric arteries deliver blood to the following organs and regions:  

Arterial blood has a dark red color due to deoxygenated hemoglobin, compared to the venous blood with scarlet red color and high level of oxygenated hemoglobin.

The SA- node is located in the right ventricle.

The thoroughfare channel is formed as a result of:

Oxygen (O2) binds to __________________________ in the hemoglobin; _______________________competes with oxygen for binding to hemoglobin.

Which vessels play a key role in regulating blood flow into capillaries?

Match the labeled with letters structures on the figure (found in the left column) with their anatomical name using the drop-down arrow next to the right column.