Answer:
true because one path is through the right atrium and right ventricle. The right atrium receives oxygen-poor blood from the body. It pumps the blood into the right ventricle.
Explanation:
Answer:
enzymes, virus and bacterias
Explanation:
Copper is a potent bactericidal agent, being a great ally to fight diseases.
Copper is an ally in the fight against infections, due to its efficiency as a bactericidal agent. That is why copper surfaces and their alloys are ideal for preventing disease transmission.
Answer:
weak immune system
Explanation:
not getting enough sleep can slowly hurt the way your immune system fights off and protects germs