Explain the difference between each of the following pairs of terms:

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Asked: 2023-02-27T03:49:13+05:30 In: Science
Explain the difference between each of the following pairs of terms:

Hi, I have a question and I hope anyone could answer it:

Explain the difference between each of the following pairs of terms:

(a) receptor and effector

(b) cerebrum and cerebellum

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    Receptor

    A receptor is a cell (or a group of cells) in a sense organ which is sensitive to a particular type of stimulus (or a particular type of change in the environment).

    Example: Photoreceptors and Phonoreceptors.

    Effector

    An effector is the part of the body which can respond to the stimulus according to the instructions sent from the nervous system (spinal cord and brain).

    Example: Muscles and glands.

    (b) Cerebrum

    (i) It is a part of forebrain.

    (ii) It is the main thinking part of the brain. All our thoughts, sensation, actions and movements are controlled by cerebrum.

    Cerebellum

    (i) It is a part of hindbrain.

    (ii) It helps in maintaining posture and balance of the body. It enables us to make precise and accurate movements.

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