Explanation:
Earth's atmosphere has 78% of nitrogen...
All of them apply.
Leukocytes
The Skin
Mucous Membranes
Interfons
<span>To defend cardiac output (the amount of blood your heart pumps out per minute), your heart can compensate by beating faster in order to pump out more blood per beat.</span>
The Answer it’s HUMAN ACTIVIY. B
That is called the bladder.