Question

human respiratory system​

Answer 1

Answer:

Respiratory system in humans :---

Explanation:

Nostril$\implies$Pharynx$\implies$Larynx$\implies$Trachea$\implies$Bronchus$\implies$Bronchiole$\implies$Alveolus.

In human being air is taken into the body through the nostrils . The air passing through the nostrils is filtered by fine hairs that lines passage.

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Answer 2

Answer :-

■ The "Respiratory system" is proven to be derived from "Endoderm".

■ Whether aquatic or terrestrial, all mammals use atmospheric air for the fulfilment of their respirational needs.

■ The human respiratory system consists of the the folloeing organs :-

• Nostrils

• Nasal cavity

• Nasopharynx

• Larynx

• Trachea

• Bronchii

• Bronchioles

• Alveoli

• Lungs

• Diaphragm

■ The nose is the first of the respiratory passages through which, the inspired air passes.

■ The nasal cavity consists of a large iirregular cavity, which is divided by a septum.

■ The nasopharynx lies behind the nasal cavity, above the level of the soft palate.

■ The "Glottis" is an opening in the floor of the pharynx leading to the larynx.

■ "Epiglottis" is the structure that prevents the entry of food into the respiratory tract during swallowing.