Adaptation in Respiratory System (3)

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Adaptation in Respiratory System (3)

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Trachea system of insects (2)

Air enters or leaves the trachea through breathing pores known as spiracles

Trachea system of insects (3)

The opening and closing of spiracles are controlled by valves which allow air to leave and enter the body

Trachea system of insects (4)

Trachea is divided into fine branches known as tracheoles

Adaptation of the tracheal system of insects that can increase the efficiency of gas exchange (1)

Tracheoles have thin and moist walls to increase the efficiency of gaseous exchange

Adaptation of the trachea system of insects that can increase the efficiency of gas exchange (2)

The large number of tracheoles also provides a large surface area to facilitate gaseous exchange through diffusion directly into the cells

Adaptation of the trachea system of insects that can increase the efficiency of gas exchange (3)

Some insects such as grasshoppers have air sacs in their trachea system

Adaptation of the trachea system of insects that can increase the efficiency of gas exchange (4)

The air sacs in the trachea system are filled with air to increase the rate of exchange of respiratory gases between tissues and the surroundings during energetic activities

The importance of exercise in maintaining a healthy respiratory system (1)

When we exercise, our respiration rate will increase

The importance of exercise in maintaining a healthy respiratory system (2)

A higher oxygen transport rate to body cells and a higher removal of carbon dioxide from body cells will make body cells healthier

The reason which mudskippers is classified as an amphibious fish

Because they breathe through their gills like fish and also through their moist outer skin like amphibians

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