Answer: Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery. Aerobic exercise trains the heart to become more efficient.
Explanation:
PLEASE MARK ME AS BRAINLIEST
Answer:
Creo que es sudor
Explanation: No estoy seguro de no hablar español 99.9% posibilidad de que me equivoque (Usé google translate).
The answer is A.only autotrophs can convert solar energy into chemical energy.
Things die and the predators of those things don’t have food and they die or they change their diet to another easy prey.
Both types of feedback require a signal to begin the process, transduce that signal, and exhibit a response
