Q2 of 102 Page 118

Note the relationship between the first two words and suggest the suitable word/words for the fourth place.

(a) Stimulus : Receptor :: Impulse : .......


(b) Cerebrum : Diencephalon :: Cerebellum : ................


(c) Receptor : Sensory nerve :: Motor nerve : .............

(a) Stimulus: Receptor:: Impulse: Effectors


Explanation: The stimulus activates the receptor cells. Whereas the impulse stimulates or activates the effector.


(b) Cerebrum: Diencephalon:: Cerebellum: Medulla oblongata


Explanation: cerebrum and Diencephalon are parts of the Forebrain. The Cerebellum and Medulla oblongata are parts of the Hindbrain.


(c) Receptor: Sensory nerve:: Motor nerve: Effector


Explanation: This is the pathway of a nerve impulse. The receptor transmits the nerve impulse via the sensory nerve to the brain. The brain interprets the impulse and transmits the response to the effector via the motor nerve.


More from this chapter

All 102 →
1

Name the following:

The part of the brain which is concerned with memory.

 1

Name the following:

The part of the human brain which controls body temperature.

 3

Complete the following statements by choosing the correct alternative from the choices given in brackets:

(a) The dorsal root ganglion of the spinal cord contains cell bodies (motor/sensory/intermediate) neurons.


(b) Cerebellum is the part of the brain which is responsible for


(i) conducting reflexes in the body


(ii) maintaining posture and equilibrium


(iii) controlling thinking, memory & reasoning


(c) Reflex action is controlled by


(i) brain


(ii) spinal cord


(iii) autonomic


(iv) peripheral nervous system.

 1

Mention, wherein the human body are the following located and state their main functions:

(a) Corpus callosum


(b) Central canal