Sense Organs & Coordination Flashcards

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1
Q

Structures Of The Nervous System

A

Brain
Sensory Neurons
Motor Neurons

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2
Q

Function of the Brain

A

Takes information from our senses, moves our muscles,

Helps with things like breathing and heartbeat.

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3
Q

Function of the Sensory Neurons

A

They send messages about what’s happening around us and inside our bodies to the main nervous system.

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4
Q

Function of the Motor Neurons

A

They make your muscles move and help with things like talking and walking.

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5
Q

Features of the Nervous System

A

Receptors
Control
Effects

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6
Q

Receptors

A

Special cells or parts that notice things and turn them into electricity to send to the brain..

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7
Q

Control

A

Manages the body by sending and getting signals through nerve cells.

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8
Q

Effects

A

Signals from the brain and spine can make muscles tighten or loosen, making the body move or react in different ways.

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9
Q

Endocrine System

A

A group of glands that make and send hormones into the blood to control different body jobs and keep things balanced.

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10
Q

Functions of the Endocrine System:

A

Regulation of metabolism
Regulation of growth and development
Regulation of reproduction

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11
Q

Endocrine Glands

A

Pituitary gland
Thyroid gland
Adrenal gland
Pancreas
Ovaries
Testes

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12
Q

Function Of Pituitary gland

A

It manages how much water is in the blood and body fluids by deciding how much water the kidneys keep.

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13
Q

Function Of Thyroid gland

A

Controls the rate of metabolism and energy production in cells, and physical growth and mental development

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14
Q

Function Of Testes

A

Controls the development of male reproductive organs and secondary sexual characteristics at puberty.

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15
Q

Function Of Ovaries

A

Controls the development of female

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16
Q

Function Of Pancreas

A

Regulate blood glucose levels

17
Q

Function Of Adrenal glands

A

Released in large amounts when frightened, excited or anxious.

18
Q

Ectothermic Animals

A

Rely primarily on external sources of heat to regulate their body temperature

19
Q

Endothermic Animals

A

Your body makes its own warmth to keep a steady temperature, no matter how hot or cold it is outside.

20
Q

Advantages of Endothermy

A

Temperature regulation
Increased metabolic flexibility

21
Q

Feedback Control Process

A

Set range of values
Detection of Deviation
Response

22
Q

Sense Organs

A

Eyes
Ears
Nose
Tongue
Skin

23
Q

Sight Defects

A

Short-sightedness
Long-sightedness
Glaucoma
Cataract

24
Q

Short-sightedness

A

A person with short sight can see near objects clearly, but distant objects are out of focus

25
Q

Long-sightedness

A

A person with long sight can see distant objects clearly, but near objects are out of focus

26
Q

Glaucoma

A

This is when the fluid pressure inside the eye goes up because the liquid can’t flow out properly.

27
Q

Cataract

A

A cataract is a cloudy area that forms in the lens.