MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

CARDIOVASCULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What gas is a waste product carried by the blood?
A
oxygen
B
water
C
nutrients
D
carbon dioxide
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: -Carbon Dioxide Transport in the Blood As carbon dioxide is produced as a waste product during the process of cellular respiration, it diffuses into the blood plasma. Some of it will remain in the blood plasma, and be carried back to the lungs.

Detailed explanation-3: -Carbon dioxide can be transported through the blood via three methods. It is dissolved directly in the blood, bound to plasma proteins or hemoglobin, or converted into bicarbonate. The majority of carbon dioxide is transported as part of the bicarbonate system.

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