Question

How do the process of respiration occur in human beings

Answer 1

Here is your answer:

It occurs through lungs.

It involves both physical and chemical processes.

It involves the use of O2 to oxidise food in the cells .

In this process energy is liberated in the form of ATP.

Haemoglobin is the respiratory pigment found in human beings.

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Answer 2

Answer:

the process of respiration occurs through lungs

Explanation:

. First the carbon dioxide enters in our body through nose (nasal cavity)

. then it enter to lungs where there is balloon shape like structure called alveoli

.alveoli consist blood capillaries which helps in exchange of gasses the de originated blood get oxidised as the CO2 is release and 02 is taken