NEET PG DENTAL EXAM

EMBRYOLOGY

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the waste product in our bodies?
A
Oxygen
B
Carbon Dioxide
C
Eyelashes
D
Blackheads
Explanation: 

Detailed explanation-1: -In the human body, carbon dioxide is formed intracellularly as a byproduct of metabolism. CO2 is transported in the bloodstream to the lungs where it is ultimately removed from the body through exhalation.

Detailed explanation-2: -When you burn food for energy, your body makes carbon dioxide as a waste product in the form of a gas. Your blood carries this gas to your lungs. You exhale carbon dioxide and breathe in oxygen thousands of times a day. Carbon dioxide in your blood usually causes no problems.

Detailed explanation-3: -The main waste products are Urea and Uric acid. They are removed from the kidneys in the form of urine. Other waste products are excess water is removed from the skin in the form of sweat, and carbon dioxide is removed from the lungs.

Detailed explanation-4: -The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell. When oxygen passes into the bloodstream, carbon dioxide leaves it. Carbon dioxide (CO2) is a waste product of cellular metabolism. You get rid of it when you breathe out (exhale).

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