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EVERYTHING IN THE WORLD > CONTROL AND COORDINATION > Flashcards

CONTROL AND COORDINATION Flashcards

1
Q

What are Receptors

A

Receptors are the specialized tips of nerve fibers that collect the information to be conducted by nerves.

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2
Q

What is photoreceptors?

A

They are present in the eye and is responsible for visual stimulus.

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3
Q

What are phono receptors?

A

They are present in the inner ear and are responsible for hearing and balance of the body.

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4
Q

What are Thermal receptors?

A

Thermoreceptors are present in the skin. They are responsible for pain, touch and stimuli.

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5
Q

What are Olfactory receptors?

A

They are present in our nose and they’re responsible for receiving smell.

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6
Q

What are Gustatory receptors?

A

They are present in the tongue and are responsible for taste detection.

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7
Q

What are the three main functions of the nervous system?

A

1. They receive information from the environment.
2.They receive information from other body parts.
3.They act according to the situation through glands and muscles.

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8
Q

What is a Neuron?

A

Neurons are the highly specialized cells which are responsible for the transmission of nerve impulses.

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9
Q

What are the three types of neurons?

A

Sensory neuron, motor neuron and the relay neuron.

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10
Q

What are sensory neurons?

A

Sensory neurons are those neurons that receive signal from the sense organs.

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11
Q

What are motor neurons?

A

Motor neurons are those neurons that send signals to muscles or glands.

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12
Q

What are relay neurons?

A

Relay neurons are those neurons that relay signals between sensory and motor neurons

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13
Q

What is a Synapse?

A

The point contact between the terminal branches of an Axon of one neuron with the dendrite of another neuron is called a synapse.

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14
Q

What is the neuromuscular junction ?

A

A neuromuscular junction is a point where the muscle fibers comes in contact with a motor neuron carrying nerve impulses from the control nervous system.

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15
Q

What is the central nervous system composed of and what are its functions?

A

The central nervous system is composed of brain and the spinal cord.The brain controls all the functions in the human body, while the spinal cord work as the relay channel for signals between brain and the peripheral nervous system.

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16
Q

What is the midbrain

composed of ?

A

Hypothalamus

17
Q

What is forebrain composed of ?

A

Cerebrum.

18
Q

What is your hind brain composed of?

A

Oblongata, Cerebellum, Pons, Medulla.

19
Q

What is the locomotion?

A

When an Organism moves from one place to another, it is called locomotion.

20
Q

What is a reflex action?

A

The sudden movement or response to the stimulus. Which occurs in a very short duration of time without involving any will or thinking of the brain is known as reflex action.

21
Q

What is the function of Cerebrum?

A

Cerebrum is the main thinking part of the brain present in the forebrain area and controls all the voluntary actions.

22
Q

Which part of the body is known as the president of the body ?

A

Brain

23
Q

What is the function of cerebellum?

A

It is present in the hindbrain area and it helps in the posture and balance of the body.

24
Q

What is the function of medulla?

A

Medulla is present in the hindbrain area and helps to control the voluntary actions of the brain

25
Q

What is a reflex arc?

A

The path through which the nerve impulses involved in a reflex action travel is called Reflex Arc.

26
Q

What are ductless glands called?

A

Endocrine gland

26
Q

What is cytokine?

A

Cytokine is hormone which promotes cell division and the opening of Stomata.

27
Q

What does abscisic acid do?

A

Abscisic acid inhibits the growth of plant and promotes wilting and falling of leaf and food.

28
Q

What is tropism?

A

The growth movement of a plant which determines the direction with stimulus.

29
Q

What is nastism

A

A growth movement of a plant which does not determine direction with a stimulus.

30
Q

What is phototropism?

A

Movement of plant towards light is known as phototropism.

31
Q

What is geotropism?

A

Movement of plants towards gravity of Earth is known as geotropism.

32
Q

What is chemotropism?

A

Movement of plants towards chemicals is known as chemotropism.

EVERYTHING IN THE WORLD (5 decks)

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