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Neural Control and Coordination

Short Answer Type

131. Answer Briefly
(c) How does the eye regulate the amount of light that falls on the retina ?

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Multiple Choice Questions

132. The region of the vertebrate eye, where the optic nerve passes out of the retina is called the

Fovea
Iris
Blind spot
Optic chaisma

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Short Answer Type

133. Write short notes on the following
(b) Fore brain.

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134. Write short notes on the following
(c) mid brain.

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135. Write short notes on hind brain.

The hindbrain includes the cerebellum, the pons and the medulla oblongata.

Pons - - They consists of fibre tracts that connect the different regions of the brain.

Cerebellum - It is highly convoluted in structure to adjust a great number of neurons in less space.

Medulla Oblangata - It is the part of the brain that is connected to the spinal cord. The medulla contains centres which control respiration, cardiovascular reflexes and gastric secretions.

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