The correct answer is they filter water and solutes from blood.
<span>The nephron is a structural unit of kidneys with the function to filtrate blood in order to produce urine. A nephron is used to ultrafiltrate water, ions and small molecules from the blood, to excrete wastes and toxins, and return needed molecules to the blood (reabsorption).</span>
Its electrons relese and it dies. or another way to say it is that it burns.
The correct answer is: 4) Standing defenses are always present; induced defenses develop in response to a threat
Induced defense is defense that can be changed or invoked when needed. Induced defenses are slow to happen. When invoked, induced defense requires energy but otherwise doesn’t.
Standing defense is always there. It is use, for example when predation is a constant threat.
id say the first one and the third one, sorry if it’s wrong
