The Human Body Flashcards

1
Q

What are the levels of organisation in the body?

A

Atoms > molecules > cells > tissues > organs > organ systems > the human body

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2
Q

How many body systems are there?

A

12

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3
Q

What body systems are missing?

  • Integumentary system
  • Nervous system
  • Endocrine system
  • Cardiovascular system
  • Respiratory system
  • Lymphatic system
A

Muscular, skeletal, digestive, urinary, male + female reproductive system.

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4
Q

How many bones do adults have?

A

206

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5
Q

The nervous system inludes…

A

Brain, spinal cord and nerves.

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6
Q

The integumentary system includes…

A

Hair, skin, and nails.

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7
Q

What are the three layers of the skin in order from top to bottom layer?

A

Epidermis, dermis and hypodermis (hypo = low).

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8
Q

What is the largest organ in the body?

A

Skin

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9
Q

What are the 5 organs considered vital for survival?

A

The heart, brain, kidneys, liver, and lungs.

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10
Q

A _____ is an organ which produces and releases substances that perform a specific function in the body.

A

Gland

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11
Q

The skeletal system includes…

A

Joints and bones.

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12
Q

The cardiovascular system includes…

A

The heart and blood vessels.

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13
Q

The muscular system includes…

A

Skeletal muscles.

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14
Q

The urinary system includes…

A

The Kidney, urethra, urinary bladder and ureter.

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15
Q

This word refers to the kidneys.

A

Renal

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16
Q

The gastrointestinal (GI) tract is part of which body system?

A

The digestive system.

17
Q

Which body systems are part of covering, support and movement of the body?

A

The integumentary, skeletal and muscular system.

18
Q

Which body systems are part of ‘continuity’ of the human?

A

The male and female reproductive system.

19
Q

Which body systems regulate the body?

A

Nervous and endocrine system.

20
Q

Which body systems maintain the body?

A

The cardiovascular, lymphatic, immune, respiratory, digestive and urinary system.

21
Q

The GI tract is also known as what?

A

The alimentary canal or the gut.

22
Q

What is the chemical level of organisation in the body?

A

Atoms and molecules.

23
Q

How is homeostasis maintained?

A

Through a negative feedback loop.

24
Q

What are the 4 interacting components of homeostasis in order?

A
  1. Stimulus
  2. Sensor
  3. Control center, and
  4. Effector.
25
Q

The hypodermis is also known as..?

A

Subcutaneous tissue.