Answer:
Is there suppose to be a list?
<span>Systemic Circulation. Systemic circulation is the movement of blood from the heart through the body to provide oxygen and nutrients to the tissues of the body while bringing deoxygenated blood back to the heart. Oxygenated blood enters the left atrium from the pulmonary veins.</span>
A newborn's skeleton is composed mostly of cartilage, which will ossify as the infant grows. It will be made if mire than 300 parts, many of which will combine into single bones.
it makes.our body movement stable and steady