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प्रश्न
Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.
उत्तर
| Nervous System Mechanism | Hormonal System Mechanism |
| It consists of nerve impulses between the PNS, CNS and Brain. | It consists of the endocrine system, which secretes hormones directly into the blood. |
| The axons and dendrites transmit the information through a coordinated effort. | The information is transmitted or transported through blood. |
| The flow of information is rapid and the response is quick. | The information travels slowly and the response is slow. |
| Nerve impulses are not specific in their action. | Each hormone has specific actions. |
| The effects are short-lived. | It has prolonged effects. |
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संबंधित प्रश्न
Draw the structure of a neuron.
What is the function of receptors and effectors in our body?
The human brain can be broadly divided into three regions. name these three regions.
Fill in the blank:
Peripheral nervous system consists of _________.
Fill in the blank:
Sense organs have special cells called ____________ for picking up information and transmitting it to the nerves.
Draw a labelled diagram of eye.
Fill in the blank:
Peripheral nervous system consists of ...................
Fill in the blank:
The three main parts of the brain are ................................ and ............................
Define the following:
Reflex arc
Define the following:
Motor neuron:
Mention if the following statement is true (T) or false (F) Give reason.
Flavour and taste are one and the same thing.
Given below is certain structure. Write against them its functional acivity.
Taste bud and …………………..
Name the parts (a) to (e) in the following diagram.
What is the term given to the sequence of events occurring in the diagram?
Mention, if the following statement is True or False
A nerve impulse passes from one neuron to another across a synapse.
Short answer question
Rakesh got hurt on his head when he fell down from his motorbike. Which inner membranes must have protected his brain? What other roles do they have to play?
Long answer question
Explain the Reflex Pathway with the help of a neat labelled diagram.
List out the functions of Endocrine system and Nervous system.
Which lobe is responsible sensation of pain?
Which of the following is the correct description of Gyri and sulci?
Mohan is fond of playing basketball. His concentration is on shooting the ball into the opponent's basket as given in the picture.
- Which part of the brain helps Mohan to concentrate in putting the ball into the basket?
- Name the sense organ that helps to gauge the distance between the ball and the basket.
- Name the part of the brain that co-ordinates all the voluntary muscles of his body.
