Chapter 3- Organ systems (2) Flashcards

1
Q

What is the skeletal system made up of?

A

It is mainly made up of connective tissue and contains mostly bones but also involves the cartilage, joints, and ligaments.

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2
Q

What is the function of the skeletal system?

A

It protects and supports internal organs and is the framework for muscles and movement.

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3
Q

What do bones store?

A

Minerals particularly calcium.

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4
Q

How many bones make up the axial skeleton?

A

80

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5
Q

Where is cartilage found?

A

Nose, ribs, joints

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6
Q

What are ligaments?

A

Connects bone to bone

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7
Q

What are tendons?

A

Connects bone to muscle

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8
Q

There are three types of muscles:

A

1- Skeletal muscle

2- Cardiac muscle

3- Smooth muscle

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9
Q

What are the main functions of the muscular system?

A

1- Movement

2- Maintain posture

3- Generate heat

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10
Q

What are some of the characteristics of the muscular system?

A

1- Contractability

2- Extensibility

3- Elasticity

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11
Q

The skeletal system works in unison with what to allow movement through your environment?

A

Muscular system

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12
Q

Tendons are what type of tissue?

A

Dense regular connective tissue

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13
Q

What is the nervous system?

A

This is the controlling and communicating system of the body

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14
Q

What are the functions of the nervous system?

A

1- Sensory input- anything that you perceive using your senses

2- Integration- processing of information

3- Motor output- a response

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15
Q

What does the Central nervous system (CNS) consist of?

A

The brain and spinal cord

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16
Q

What is the Peripheral nervous system (PNS) made up of?

A

Made up of the nerves and ganglia

17
Q

What is ganglia?

A

Collection of neuronal bodies found in the PNS.

18
Q

What does the peripheral nervous system (PNS) do?

A

Links the rest of the body to the CNS.

19
Q

Nerves/neurons can be what types?

A

Sensory- sends information to the CNS

Motor- sends information from the CNS to the muscles

20
Q

What is the function of the endocrine system?

A

It influences metabolic activity through hormone signalling.

21
Q

What is a hormone?

A

Chemical messenger secreted in extracellular fluids.

22
Q

What do endocrine glands secrete and what is it essential for?

A

Hormones which is essential for cellular growth

23
Q

What is the timescale of initiation for the endocrine system?

A

The timescale of initiation is longer, however the effects last longer