EVERYDAY SCIENCE

SCIENCE

RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What gas is given off as a result of respiration?
A
oxygen
B
carbon dioxide
C
hydrogen
D
nitrogen
Explanation: 

Detailed explanation-1: -Carbon dioxide is produced in the body as a result of cellular respiration, wherein vital nutrients are converted into energy in the presence of oxygen.

Detailed explanation-2: -Humans take in oxygen and give out carbon dioxide.

Detailed explanation-3: -Photosynthesis is the process by which green plants synthesise their own food from carbon dioxide and water in the presence of sunlight and chlorophyll. During this process, oxygen is released as a by-product.

Detailed explanation-4: -Cellular respiration converts ingested nutrients in the form of glucose (C6H12O6) and oxygen to energy in the form of adenosine triphosphate (ATP). CO2 is produced as a byproduct of this reaction.

There is 1 question to complete.