Answer:c
Explanation:
Have a common understanding in the classification of organisms
Blood leaves the heart through the pulmonic valve, it then moves through the pulmonary arteries which branches to the left and right lungs.
When the deoxygenated blood reaches the lungs, it is then oxygenated and returns to the heart through our pulmonary veins.
Hope this better explains it!
Answer:
I have no clue what that means sorry wish I could help
Answer:
Innate immunity
Explanation:
Innate immunity is also referred to as inherited or natural immunity. It is the type of immunity that one is born with. It is passed on from mother to offspring. This form of immunity is non-specific as it offers protection from many types of antigens.
Active muscles demand huge amounts of oxygen, and the circulatory system works hard to provide it. Blood carries oxygen to the muscles. When the body is at rest, blood carries nutrients to the muscles so that they can repair and rebuild themselves. Blood also carries away the waste products that hard-working muscles produce, back out through the lungs to be filtered.
so they Circulatory system xx muscular system :)
