Question

Write the difference between breathing and respiration. Also tell how much litres of air do a average person breathes in a day.

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Answer 1

QUESTION:⤵️

• Write the difference between breathing and respiration.
• Also tell how much litres of air do a average person breathes in a day.

ANSWER:⤵️

• BREATHING:

• It is the inhalation and exhalation of air.
• It is a voluntary and physical process.
• No energy is released or used.
• The gaseous exchange occurs through lungs.

• RESPIRATION:

• It is breakdown of complex substances into simpler ones in presence of oxygen.
• It is an involuntary and biochemical process.
• Energy is released in the form of ATP.
• Gaseous exchange occurs the cell membranes or in cell organelles like mitochondrion.

ANSWER:⤵️

• The average adult, when resting, inhales and exhales about 7 or 8 liters of air per minute. That totals about 11,000 liters of air per day. Inhaled air is about 20-percent oxygen. Exhaled air is about 15-percent oxygen.

Answer 2

Answer:

As stated above, breathing is the biological process of inhaling and exhaling of the gases between the cells and the environment. The mechanism of breathing involves various respiratory structures such as the windpipe, lungs and nose.

Respiration, on the other hand, is a chemical process that takes place in the cell. The air that we inhale brings oxygen to the lungs and is carried by the blood to the cells, where it helps in the breakdown of glucose which results in the generation of energy. This energy is used by the cells to carry out their respective functions.