1.

2/.now does nun mon take place in paramecium ?fij Describe the working of human's heart.

Answer» <p>The right side of yourheartreceives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of yourheartreceives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.</p>


Discussion

No Comment Found