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प्रश्न
Differentiate: Nervous control and Hormonal control.
उत्तर
| Nervous Control | Hormonal Control |
| The information is sent in the form of electric signals. | The information is sent in the form of chemical signals. |
| The signals travel through nerve fibres to specific target cells like muscle fibres and glands. | The signals travel through blood stream to cells in different organs. |
| Nervous system causes muscles to contract or relax, glands to secrete more or less. But it cannot bring about growth. | Endocrine system brings about changes in metabolic activities of all body tissues. It affects growth. |
| Action is immediate (within few milliseconds.) | Action is slow (can take hours or days to produce response). |
| Effect lasts for a sliort time. | Effect is more lasting and permanent. |
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संबंधित प्रश्न
Define the following:
Endocrine glands
Given alongside is an outline diagram of human body showing position of certain organs.
 |
- Name the parts numbered 1 to 4.
- What is common to all these parts in regard to the nature of their functions?
- Name the nutrient element which is essential for the normal working of part 2.
Name the hormones secreted by the following glands:
(i) Anterior pituitary
(ii) Testes
(iii) Ovary
(iv) Adrenal cortex
(v) Pancreas
Differentiate: Cretinism and Myxedema.
Give the Technical Term: Name a hormone which controls developments of male secondary sexual characters.
State the Location
Prostate gland
Spermatogenesis in mammalian testes is controlled by ______.
A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of ______.
Choose the odd one out from series and write the category of the remaining terms:
Distinguish between the following pair:
Enzymes and hormones (mode of transport and target organ)
