Control And Coordination Complete Chapter🔥| CLASS 10 Science | NCERT Covered| Prashant Kirad

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4:14 human nervous system
7:42 peripheral nervous system
9:47 stimuli
13:04 receptor and
13:54 types of receptor
17:07 effector
19:54 neuron
21:55 structure of neuron
27:51 functions of neuron
29:49 nerve impulses
30:55 types of neuron
34:57 neuromuscular junction
36:44 types of actions
38:17 brain
49:12 spinal cord
52:22 reflex action
55:29 reflex arc
59:41 three types of responses
1:01:28 glands
1:05:22 hypothalamus
1:06:06 pituitary gland
1:08:11 thyroid gland
1:10:32 parathyroid gland
1:11:14 thymus gland
1:12:32 pancreas
1:16:23 adrenal glands
1:17:53 testes
1:19:28 ovaries
1:20:50 feedback mechanism
1:22:36 control and coordination in plants
1:25:29 response in plants
1:27:21 tropic and nastic movement
1:29:31 types of tropism
1:36:05 thigmonasty
1:36:48 photonasty
1:38:58 plants hormones

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[technodude]

one minute revision :-
Receptors: Receptors are the specialized tips of the nerve fibers that collect the
information to be conducted by the nerves.
Receptors are in the sense organs of the animals.
These are classified as follows:
Phono-receptors: These are present in inner ear.
Functions: The main functions are hearing and balance of the body.
Photoreceptors: These are present in the eye.
Function: These are responsible for visual stimulus.
Thermo-receptors: These are present in skin.
Functions: These receptors are responsible for pain, touch and heat stimuli.
These receptors are also known as thermoreceptors.
Olfactory receptors: These are present in nose.
Functions: These receptors receive smell.
Gustatory receptors: These are present in the tongue.
Functions: These helps in taste detection.

Nervous System: The nervous system is composed of specialized tissues, called
nervous tissue. The nerve cell or neuron is the functional unit of the nervous
system. It is the nervous system which is mainly responsible for control and
coordination in complex animals.
Functions of the nervous system
• Nervous system receives information from the environment.
• To receive the information from the various body.
• To act according to through muscles and glands.

Neuron: Neuron is a highly specialized cell which is responsible for the
transmission of nerve impulses. The neuron consists of the following parts
(i) Cyton or cell body: The cell body or cyton is somewhat star-shaped, with many
hair-like structures protruding out of the margin. These hair-like structures are
called dendrites. Dendrites receive the nerve impulses.
(ii) Axon: This is the tail of the neuron. It ends in several hair-like structures, called
axon terminals. The axon terminals relay nerve impulses.
(iii) Myelin sheath: There is an insulator cover around the axon. This is called
myelin sheath. The myelin sheath insulates the axon against nerve impulse from
the surroundings.

Types of neurons
• Sensory neuron: These neurons receive signals from a sense organ.
• Motor neuron: These neurons send signals to a muscle or a gland.
• Association or relay neuron: These neurons relay the signals between
sensory neuron and motor neuron.
• Synapse: The point contact between the terminal branches of axon of
one neuron with the dendrite of another neuron is called synapse.
• Neuromuscular Junction (NMJ): NMJ is the point where a muscle fibre
comes in contact with a motor neuron carrying nerve impulse from the
control nervous system.
Transmission of nerve impulse: Nerve impulses travel in the following
manner from one neutron to the next:
Dendrites → cell body → axon → nerve endings at the tip of axon →
synapse → dendrite of next neuron.
Chemical released from axon tip of one neuron, cross the synapse or
neuromuscular junction to reach the next cell.

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00:02 Control and Coordination chapter discussed in the video
01:49 Control and Coordination: Understanding the human nervous system and endocrine system
05:05 The central nervous system (CNS) and peripheral nervous system (PNS) are the two main components of the nervous system.
06:50 Spinal nerves are nerves connected to the spinal cord.
10:14 Stimulus is the factor that brings about a response and change in the environment.
12:13 Receptors are cells or groups of cells in sense organs that are sensitive to a particular type of stimulus.
15:56 Control and coordination involve gustatory and thermoreceptor receptors.
17:38 Control and coordination involve stimuli, receptors, brain, and effectors.
20:48 Neurons are the functional and structural unit of the Nervous System
22:25 Soma is the body of a neuron while axons are its tail
25:47 Neurons are connected through a series of signals and chemicals that create a system.
27:20 Neurons receive and transmit signals through dendrites, cell bodies, and axons.
30:21 Control and Coordination
32:08 Sensory neurons receive information and send it to the central nervous system (CNS)
35:38 Neuromuscular junction and voluntary actions
37:16 Control and coordination involve voluntary and reflex actions.
40:34 The brain is divided into three parts: forebrain, midbrain, and hindbrain.
42:08 The brain is divided into four parts: cerebrum, thalamus, hypothalamus, and midbrain.
45:35 Hypothalamus releases all hormones, Hind brain has three parts - cell, medulla, and pus
47:24 Medulla is the stem part of the brain that controls voluntary actions.
50:39 The brain is protected by the skull and has three layers of membranes with cerebrospinal fluid inside. The spinal cord is protected by the vertebral column and has cerebrospinal fluid to absorb mechanical shocks.
52:22 Reflex action is a sudden reaction to a stimulus.
56:00 Reflex arc is a pathway that involves receptors, sensory neurons, motor neurons, and the spinal cord to produce a quick response.
57:43 The message from the sense organs to the brain helps in reflex actions.
1:00:56 Reflex action is crucial for quick responses.
1:02:45 Gland is a structure that secretes specific substances known as hormones.
1:06:08 The pituitary gland secretes hormones that control growth and body shape.
1:07:46 The thyroid gland releases the hormone thyroxine which controls the rate of metabolism.
1:11:00 Thymus gland is an important gland involved in the development of the immune system.
1:12:43 Pancreas releases enzymes to digest food and also acts as an endocrine gland.
1:16:22 Adrenaline is a hormone released by the adrenal glands in emergency situations.
1:18:12 Testosterone is an important hormone for males
1:21:44 Pancreas releases insulin to control blood sugar levels.
1:23:41 Plants show control and coordination through movements and hormones.
1:27:09 Difference between growth and movement in plants
1:28:48 There are two types of tropism: positive and negative.
1:32:14 Geotropism and hydrotropism are plant movements in response to gravity and water respectively.
1:33:47 Thigmonastic movement is a tropism that occurs due to touch of an object.
1:37:41 Plant hormones have five major functions.
1:39:32 Hormones in plants control germination, growth, flowering, fruit development, and growth stoppage.
1:42:48 Hormones like gibberellin and auxin play crucial roles in growth, germination, fruit development, and ripening.
1:44:33 Control and Coordination of hormones in plants
1:48:17 Plant hormones control and coordinate growth.
1:49:56 Type of movement of stomata and the role of cytokinin

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1-AUXIN- (Growth )
2-CYTOKININ- (Cell division)
3-GIBBERELLIN- (Cell enlargement)
4-ABSCISIC ACID - (Seperate leaves from plant)
5- ETHYLENE- (Form gaseous hormone which helps in ripening of fruit)

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At 1:15:00 Glucagon is a hormone secreted by alpha cells of pancreas that convert glycogen into glucose whereas Excess glucose is converted to glycogen by hormone insulin secreted by beta cells of pancreas. The process is called glycogenesis.

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Simple way to learn plants harmones
A CAGE 😍 :-
A - Auxin
C - Cytokinin
A - Abscisic Acid
G - Gibberellins
E - Ethylene

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