Anatomy and physiology

2.- What is a chief muscle? Please give an example.

3.- Sartorious muscle: Please explain its principal function.

4.- Where is located the primary heart pacemaker? What is its function? What is the normal heart rate for adults?(0.2 points)

5.- Please name the vessels originated from the aortic arc.

6.- What is the Portal vein, and its importance? Please name the vessels that give origin to the Portal Vein.

7.- Which structures see deoxygenated blood in the pulmonary circuit?

8.- What are the main functions of the capillaries?