Explanation:
science is the practical and intellectual activity encompassing the systematic studying of the behaviour and structures of the physical and natural world
The adult heart pumps about five quarts of blood each minute so around 2,000 gallons<span> of blood each day.A typical athlete's heart churns out up to </span>eight gallons<span> of blood per minute.</span>
I think it’s A. hope this helps
Answer:
it's true
Explanation:
if it's dim light the iris will be large