GENERAL HISTOLOGY

EXCRETORY SYSTEM

EXCRETORY SYSTEM ALL QUESTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are returned to the bloodstream and kept in the body? (several answers are correct)
A
Food molecules
B
Salt
C
Water
D
Urea
Explanation: 

Detailed explanation-1: -The lymphatic system collects excess fluid that drains from cells and tissue throughout the body and returns it to the bloodstream, which is then recirculated through the body.

Detailed explanation-2: -Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart.

Detailed explanation-3: -Your mitral valve opens to send blood from your left atrium to your left ventricle. When your left ventricle is full it squeezes, which closes your mitral valve and opens your aortic valve. Your heart sends blood through your aortic valve to your aorta, where it flows to the rest of your body.

Detailed explanation-4: -Oxygen, nutrients and hormones are delivered around the body in the blood and carbon dioxide and other waste products are removed.

There is 1 question to complete.