Nervous, Muscular, and Special Senses System Flashcards

1
Q

What are the 5 senses?

A

Olfactory (smell), Gustatory (taste), Optic (sight), Auditory, (hearing), Touch

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2
Q

What are the functions of the muscular system?

A

Facilitate movement, maintain posture, thermoregulate.

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3
Q

When do puppies and kittens open their eyes?

A

10-14 days.

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4
Q

Where is the cardiac muscle found?

A

In the heart.

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5
Q

What is the function of the nervous system?

A

To detect and respond to internal and external stimuli.

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6
Q

What does the CNS consist of?

A

The brain and spinal cord.

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7
Q

What are the two main types of neurons?

A

Sensory (afferent) Neurons, Motor (efferent) Neurons.

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8
Q

What does the cerebral synovial fluid do?

A

Protects the brain and spinal cord and provides some nutrients.

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9
Q

What are the 4 primary tastes?

A

Sweet, sour, salty, bitter.

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10
Q

What are the 2 main divisions of the nervous system?

A

CNS (Central Nervous System), PNS (Peripheral Nervous System).

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11
Q

What are the 3 different types of muscles?

A

Skeletal, cardiac, smooth.

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12
Q

What is the structure and functional unit of the nervous system called?

A

The neuron, or nerve cell.

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13
Q

Where is the smooth muscle mainly found?

A

The wall of the GI Tract, the walls of the arteries and veins, and around glands.

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14
Q

Define pinna.

A

The external part of the ear made up of ridged cartilage covered by skin.

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15
Q

What is the ear drum also known as?

A

The tympanic membrane.

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16
Q

What is the gland that produces tears called?

A

The lacrimal gland.

17
Q

Can neurons reproduce?

A

No.

18
Q

What are skeletal muscles usually attached to?

A

Bones.

19
Q

What are the 3 main sections of the brain?

A

Forebrain, midbrain, hindbrain.

20
Q

What does the blood brain barrier do?

A

Regulates the passage of nutrients and chemical molecules to the brain.

21
Q

What does the PNS consist of?

A

Cordlike nerves that run throughout the body.

22
Q

What are myocytes?

A

Muscle cells.

23
Q

What does afferent mean?

A

Conducting inward.

24
Q

What does efferent mean?

A

Conducting outward.

25
Q

What happens during the fight or flight response?

A

The body’s sympathetic nervous system is activated by the sudden release of hormones.

26
Q

Where are the receptors for the special senses located?

A

Eyes, nose, tongue, skin, ears.

27
Q

How many times stronger is a dogs sense of smell than a humans?

A

40X