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Physiology > Control Of Body Functions > Flashcards

Control Of Body Functions Flashcards

1
Q

What are two types of control in the body?

A

Nervous control & chemical control

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2
Q

What are the 2 types of nervous control?

A

Central nervous & peripheral nervous system

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3
Q

In what nervous system is the brain and spinal cold?

A

In central nervous system

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4
Q

What does the peripheral nervous system divide into?

A

Somatic and autonomic

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5
Q

What is in somatic?

A

Sensory & motor

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6
Q

What is in autonomic?

A

Sympathetic & parasympathetic

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7
Q

What does the chemical control consists of?

A

Hormones, vitamins and enzymes

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8
Q

What does the nervous system consists of?

A

Sensory part, central part, motor part

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9
Q

What is protected inside bones?

A

Central nervous system

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10
Q

What does the skull contain?

A

Brain

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11
Q

What is the spinal cord enclosed by?

A

Vertebral column

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12
Q

What is present outside bones?

A

Peripheral nervous system

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13
Q

How many pairs of cranial nerves does the peripheral nervous system has?

A

12 pairs

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14
Q

How many pairs of spinal nerves does the peripheral nervous system has?

A

31 pairs

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15
Q

What is a neuron?

A

The structural unit of the nervous system

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16
Q

What are neuroglial cells?

A

Non-excitable cells that forms the matrix of NS that maintains its structure

17
Q

What are the two major glial cells?

A

Microglia and macroglia

18
Q

What are three types of macroglia?

A

Oligodendrocytes,Schwann cells, Astrocytes

19
Q

What are microglia?

A

Macrophages of CNS that engulf foreign substances, helping in tissue repair

20
Q

What is oligodendroglia?

A

Forms and maintaince the myelin sheath around axons in the CNS

21
Q

What are Schwann cells?

A

Form and maintain the myelin sheath around axons in the peripheral nervous system

22
Q

What are astrocytes?

A

Large cells that send processes to blood vessels to induce the tight junctions making up the blood-brain barrier
Also send processes to envelop synapses and the surface of nerve cells

23
Q

What is a reflex?

A

The involuntary response to a stimulus

24
Q

What is a reflex action?

A

The functional unit of the nervous system, starts with a stimulus and ends with a response

25
Q

What is a reflex arc?

A

The pathway of impulses from a receptor to an effector organ

26
Q

What does the reflex arc consist of?

A

Receptor
Afferent fiber
Center
Efferent fiber
Effector organ

Physiology (30 decks)

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