Biology
Assertion (A): Nervous system and chemical coordination in human beings are functionally related to each other.
Reason (R): Nervous coordination is mainly regulated by brain, spinal cord, nerves and sense organs whereas chemical coordination is controlled by the chemical messengers called hormones. They both work in proper coordination.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Nervous System
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Answer
Both A and R are true and R is the correct explanation of A.
Reason — A is true as the nervous system and chemical coordination are functionally related because both systems work together to regulate and control body activities.
R is true as nervous coordination is controlled by the brain, spinal cord, nerves, and sense organs, while chemical coordination is controlled by hormones released by endocrine glands. These two systems work in coordination to maintain proper functioning of the body.
Therefore, Both A and R are true and R is the correct explanation of A is the correct option.
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