The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.
<span>This looks like something I can handle. Hope this helps (:</span>
Hand hygiene, PPE (personal protective equipment), and work practice/engineering controls. This includes needle safety devices, needle-less systems, sharps containers, HEPA filters, and negative pressure rooms.
Its called fight or flight , adrenaline
Answer:
i think A one option have more protien
