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Tuesday, 16 June 2015

FSc Notes Biology Part 1 Chapter 13 Gaseous Exchange Definitions

FSc Notes Biology Part 1 Chapter 13 Gaseous Exchange Definitions


Gills:
Gills are special structures of aquatic respiration. The gills are composed of filaments called gill lamella.

Inspiration:
The moving of the fresh air in the lungs is called inspiration.

Lenticels:
The cork tissues have special pores called lenticels. These help in transpiration.

Lung capacity:
The total inside capacity of lungs is called lungs capacity. Lung capacities of human lung is about 5 liters when it is fully inflated.

Malignant tumor:
In this case, the cells of the tumors do not stay at their original site. They are transferred to the other parts of the body.

Metastasis:
Invasion of cancer cells in normal tissues is called metastasis.

Photorespiration:
Respiratory activity which occurs in plants during daytime is called photorespiration.

Pulmonary respiration:
The gaseous exchange through the lung is known as pulmonary respiration.

Surfactant:
The surfactant is a mixture of lipoprotein molecules.

Written by: Asad Hussain.

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