The heart is part of the cardiovascular system. This system acts as a “railway”, and delivers blood and oxygen to the rest of the body.
A physical- checking eyesight, hearing, height and weight
Comparing height and weight to other children their age.
Seeing if the age and weight correlate. Seeing if the age and height correlate.
Answer:
A
Explanation:
The pulmonary veins carry oxygenated blood from the lungs into the left atrium, then the blood passes through the left ventricle and finally through the aorta, wich carries and distributes oxygen-rich blood to all arteries.