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Health, Fitness, And Wellness > Unit 1 > Flashcards

Unit 1 Flashcards

1
Q

What is a bone?

A

Rigid skeleton that makes up internal framework

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2
Q

What is a ligament?

A

Connective tissue that binds one bone to another

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3
Q

What is a tendon?

A

Connective tissue that attaches muscle to bond

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4
Q

What is a joint?

A

Where two bones move together

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5
Q

What is cartilage?

A

Tough but flexible tissue that covers the ends of bones. Gives shape to ears, nose, etc.

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6
Q

How many bones are there in the average human body?

A

206

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7
Q

What are the components of the skeletal system?

A

Bones, joints, cartilage, ligaments, and tendons

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8
Q

What are the four classifications of bones?

A

Long, short, flat, and irregular

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9
Q

What are the three categories of joints?

A

Immovable, slightly moveable, and freely moveable

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10
Q

What is the function of the muscular system?

A

Enables movement, produces heat, helps posture, provides joint stability

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11
Q

What are the three types of muscles?

A

Striated, smooth, and cardiac

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12
Q

What are striated muscles responsible for?

A

Movement

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13
Q

What are smooth muscles responsible for?

A

Visceral muscles. Lines the walls of internal organs

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14
Q

What are cardiac muscles responsible for?

A

Unique type of muscle responsible for heart function. Striated and smooth

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15
Q

What is unique about cardiac muscles?

A

They are striated and smooth

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16
Q

Why are striated muscle called striated?

A

They appear to have lines under a microscope

17
Q

What is the nervous system?

A

The control center for all actions both conscious and unconscious

18
Q

What are the components of the nervous system?

A

The central nervous system and peripheral nervous system

19
Q

What are the functions of the nervous system?

A

The major controlling, regulating, and communicating system throughout the body.

Receives sensory input.

Sends signals to the brain

Regulates homeostasis

Communicating throughout the body for movement.

20
Q

What does CNS stand for?

A

Central nervous system

21
Q

What does PNS stand for?

A

Peripheral nervous system

22
Q

What is the main difference between CNS and PNS?

A

CNS is composed of the brain and spinal column. PNS are all nerves outside of the spine and brain.

23
Q

Which part of the nervous system are the sensory organs part of?

A

Peripheral nervous system

24
Q

Im a broad sense, how do sensory organs work?

A

Sensitive cells react to sound, light, and movement. Info is then sent to the brain.

Health, Fitness, And Wellness (4 decks)

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