A&P Chapter 1 Test Flashcards

1
Q

Anatomy

A

the structure of the body

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2
Q

Physiology

A

the function of the body parts

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3
Q

Why are anatomy and physiology difficult to separate

A

the structure of the body parts are closely related to its function
STRUCTURE FOLLOWS FUNCTION

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4
Q

What are the nine levels of organization

A

atom, molecules, macromolecule, organelle, cell, tissue, organ, organ system, organism

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5
Q

What happens in terms of complexity as you move up the levels

A

It gets more complex as you move up because the human body is composed of parts made up of other parts

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6
Q

Characteristics of life

A

Growth
Reproduction
Responsiveness
Movement
Metabolism: (Respiration, Digestion, Circulation, Exertion)

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7
Q

What are the five requirements that organism need to sustain life?

A

Food, water, oxygen, heat, pressure

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8
Q

What is homeostasis

A

While the external environment is constantly changing, the internal environment needs to be stable.

A stable, internal environment

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9
Q

What are the three components of a homeostatic mechanism

A

Receptors: provide specific conditions of the internal environment
Set point: what is correct in the body and what the receptors compare to
Effectors: if something is wrong, it is how the body responds to the problem

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10
Q

Negative Feedback

A

Goes back towards the normal state. When you’re sweating your body is trying to cool you down

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11
Q

Positive Feedback

A

goes away from the norm. WHen you’re in labor your body continues contractions.

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12
Q

Five major body cavities

A

Cranial, vertebral, thoracic, abdominal, pelvic

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13
Q

What is the diaphragm

A

In between your thoracic cavity and abdominal cavity that assists your breathing

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14
Q

Parietal membranes

A

Lines the walls of the body cavities

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15
Q

Visceral membranes

A

It covers the internal organ

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16
Q

Serous fluid

A

It is to reduce friction within the body

17
Q

Major organ and function: Integumentary system

A

skin; to protect the body and help regulate temperature

18
Q

Major organ and function: skeleton system

A

bones; support, protection, and movement

19
Q

Major organ and function: muscular system

A

muscles; movement and body heat

20
Q

Major organ and function: nervous system

A

brain; controls the body

21
Q

Major organ and function: endocrine system

A

pancreas; secretes hormones

22
Q

Major organ and function: cardiovascular system

A

heart; circulate blood and nutrients

23
Q

Major organ and function: lymphatic system

A

spleen; to defend the body against infections and to clean tissue fluids

24
Q

Major organ and function: digestive system

A

stomach; to break down and absorb food

25
Q

Major organ and function: respiratory system

A

lungs; gas exchange

26
Q

Major organ and function: urinary system

A

kidneys; remove waste from the blood

27
Q

Major organ and function: reproduction system

A

uterus; produce/transport sex cells

28
Q

Saggital

A

Refers to the body being divided left and right

29
Q

Transversal

A

Refers to the body being divided into top and bottom regions (superior and inferior)

30
Q

Coronal

A

Refers the body being divided into front and back (anterior and posterior)