As an energy source, To heal and build and repair tissue, To sustain growth, To help transport oxygen to the cells, To regulate body functions. hope this helped :)
Answer:
8: Superior vena cava
13: Aorta
11: Pulmonary valve
10: Left Pulmonary veins
9: Right atrium
12: Left atrium
7: Tricuspid Valve
6:Right ventricle
5: ?
3:Bicuspid valve
4:Chordae tendineae
2:Papillary muscle
1: Interventricular septum
Explanation:
Sorry if it's not right
i believe it is a mirror if not im so sorry
