Recommended Daily Value is the correct answer. I hope I helped! ^u^
The answer would be D because it is a rule at most gyms that you must wipe your sweat off
Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.
Explanation:
What re the functions? CAn you give me those?
Answer 3 would probably be right