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प्रश्न
Define the following:
Reflex arc
उत्तर १
The path that an impulse takes in a reflex action is called a reflex arc.
उत्तर २
The path along which the reflexive impulse travel is called a reflex arc.
(OR)
The pathway taken by nerve impulse to accomplish reflex action is called a reflex arc.
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संबंधित प्रश्न
What is a neuron?
The life processes in humans are controlled and regulated by :
(a) reproductive and endocrine systems
(b) respiratory and nervous systems
(c) endocrine and digestive systems
(d) nervous and endocrine systems
Find the odd-one out, giving reasons:
Pinna, eardrum, cochlea, ear canal
Name the three main parts of the human brain.
Mention the three functions of the spinal cord.
Fill in the blank:
Central nervous system consists of ................. and ................
Define the term:
Sensory neuron
Differentiate between following pair with reference to the aspect in bracket.
sympathetic nervous system and para – sympathetic nervous system (overall effect on body)
Given below is certain structure. Write against them its functional acivity.
Taste bud and …………………..
Name the following:
The biological term given to the protective membranes of the brain.
Choose the correct answer.
Number of cranial nerves _____________
Choose the correct answer.
Man has ______ pairs of spinal nerves.
Draw a well-labeled diagram of a Neuron.
Draw the following diagram:
Draw a neat labeled diagram of a neuron.
Plants do not have any nervous system but yet, if we touch a sensitive plant, some observable changes take place in its leaves. Explain how could this plant respond to the external stimuli and how it is communicated.
Explain the Term: Ganglion
Give Technical Term:
The neuron which conducts impulse from the central nervous system to the organs.
State the Location of:
Corpus callosum
State the Location of:
Pinnae
State the Location of:
Made of Ranvier
Distinguish between
Sympathetic and parasympathetic nervous system.
Subdural space is present between (i)____________ and (ii)____________.
Loss of function in which nerve would result in paralysis of muscles of mastication?
Which part of brain controls vomiting?
Which of the following is the correct description of Gyri and sulci?
Which are the sensory cranial nerves?
All of the following are true for human brain, EXCEPT ______.
“Nervous and hormonal systems together perform the function of control and coordination in human beings.” Justify the statement.
Complete the following table:
| No. | Name of Nerve | Type of Nerve | Function |
| 1. | Optic | ||
| 2. | Facial | ||
| 3. | Hypoglossal | ||
| 4. | Trigeminal | ||
| 5. | Auditory | ||
| 6. | Glossopharyngeal |
