The Atria Are the Heart's Entryways for Blood
The left atrium and right atrium are the two upper chambers of the heart. The left atrium receives oxygenated blood from the lungs. The right atrium receives deoxygenated blood returning from other parts of the body.
The heart
They produce pockets (eggs) for fertilization and they produce the reproductive hormones, oestrogen and progesterone.
<span>(1) producers, (2) consumers, and (3) decomposers. hope this helps </span>
Hair follicles is the hair coming out of the subcutaneous layer
