A. it is a survival reaction that helps us live when in dangerous situations
the fight or flight instinct is triggered when scared/in danger. you choose whether to fight, or run away.
you don’t think through options all the time with either running or fighting it. therefore, it’s A.
By definition we have to:
Aerobic capacity is the ability of the heart, blood vessels and lungs to function efficiently.
In this case, activities that require little effort and fatigue are carried out, but with rapid recovery.
Among the benefits we have:
1) Lose weight, by reducing body fat.
2) Improves cardiovascular function and lung capacity.
3) It helps to lower blood pressure and improve cholesterol levels.
Answer:
According to the benefit number 2 mentioned above, the answer is:
B-heart strength
Answer:
I live for the crunch.
Explanation:
I don't care that it may wake up others, it's my snack, and creamy snacks and foodstuffs just seems wrong to me at times.
the crunchier the better :)
Answer: Atrioventricular valves
Explanation:
These are the mitral and tricuspid valves, which are suit between the atria and the ventricles and prevent back flow from the ventricles into the atria during systole. The function of the subvalvular apparatus is to keep the valves from prolapsing into the atria when they close.