The cells in the heart need a constant supply of nutrients / oxygen and to get rid of their waste products ans that why it needs its own special circulatory system.
True, doing exercise every day or every other day would help relieve stress and make you sleep better.
Your answer would be A: 24
because 20% of 30 is 6 and because he wants to decrease it by 20% (or 6) it would make your answer 24.
20% into a decimal is .20
.20 divided by 30=6
Answer:
Tidal volume is the volume of gas that is moved in and out of the lungs per breath. The normal tidal volume is 6 to 8 ml/kg, regardless of age.
Explanation:
Why, because when you term it it gives you energy!