Nervous, Muscular, and Special Senses System Flashcards Preview

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Flashcards in Nervous, Muscular, and Special Senses System Deck (27)
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1

What are the 5 senses?

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

2

What are the functions of the muscular system?

Facilitate movement, maintain posture, thermoregulate.

3

When do puppies and kittens open their eyes?

10-14 days.

4

Where is the cardiac muscle found?

In the heart.

5

What is the function of the nervous system?

To detect and respond to internal and external stimuli.

6

What does the CNS consist of?

The brain and spinal cord.

7

What are the two main types of neurons?

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

8

What does the cerebral synovial fluid do?

Protects the brain and spinal cord and provides some nutrients.

9

What are the 4 primary tastes?

Sweet, sour, salty, bitter.

10

What are the 2 main divisions of the nervous system?

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

11

What are the 3 different types of muscles?

Skeletal, cardiac, smooth.

12

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

The neuron, or nerve cell.

13

Where is the smooth muscle mainly found?

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

14

Define pinna.

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

15

What is the ear drum also known as?

The tympanic membrane.

16

What is the gland that produces tears called?

The lacrimal gland.

17

Can neurons reproduce?

No.

18

What are skeletal muscles usually attached to?

Bones.

19

What are the 3 main sections of the brain?

Forebrain, midbrain, hindbrain.

20

What does the blood brain barrier do?

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

21

What does the PNS consist of?

Cordlike nerves that run throughout the body.

22

What are myocytes?

Muscle cells.

23

What does afferent mean?

Conducting inward.

24

What does efferent mean?

Conducting outward.

25

What happens during the fight or flight response?

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

26

Where are the receptors for the special senses located?

Eyes, nose, tongue, skin, ears.

27

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

40X