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प्रश्न
Very very short answer question.
What is the importance of Corpora quadrigemina?
उत्तर
The corpora quadrigemina are four rounded elevations on the dorsal surface of the midbrain. The two superior colliculi are involved in visual reflexes and the two inferior colliculi are relay centres for auditory reflexes that operate when it is necessary to move the head to hear sounds more distinctly.
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संबंधित प्रश्न
The organ A which is located inside the skull of our body is protected by a bony shell B. It is surrounded by three layers membranes C. The spaces between these layers are filled with a liquid D which protects organ A from mechanical shocks. Organ A in combination with another organ E makes up the central nervous system.
(a) What is organ A?
(b) What are B, C and D?
(c) Name the organ E.
(d) While walking barefoot, if we happen to step on a sharp piece of stone, we immediately lift our foot up. Which of the two organs: A or E, is directly involved in this action?
(e) If we step out from a darkened room into bright sunlight, we close our eyes for a moment. Which of the two organs: A or E, is directly involved in this action?
Compare the nervous system and the endocrine system.
Given here is the diagram of a neuron. Name the parts numbered 1-6
State whether the following statement is true (T) or false (F):
Cerebellum maintains the balance of the body.
Where is this located?
Effector organs
Name the parts (a) to (e) in the following diagram.
What is the term given to the sequence of events occurring in the diagram?
Give Technical Term:
The receptors which help in the sensation of taste.
Complete the following sentence with appropriate word :
Optic nerve is a type Sensory nerve, whereas spinal nerves are __________ nerves
What does the cerebellum of the brain control?
The brain, the spinal cord and nerves form the nervous system.
