CH1 A&P Intro Flashcards

Basics of Anatomy & Physiology

1
Q

What is anatomy?

A

the study of the STRUCTURE of the human body

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2
Q

What is physiology?

A

the study of the FUNCTION of the human body

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3
Q

What does “tome” mean in Greek?

A

to cut

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4
Q

3 descriptions of the STRUCTURES of the body:

A
  • what they are made of
  • where they are located
  • associated structures
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5
Q

TRUE/FALSE

All physiological functions are performed by specific anatomical structures

A

TRUE

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6
Q

What is the principle of complimentary?

A

STRUCTURE and FUNCTION are always complimentary. FUNCTION always reflects STRUCTURE.

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7
Q

What are the 2 major forms of anatomy?

A

Gross (Macroscopic) Anatomy & Microscopic Anatomy

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8
Q

What is the definition of Gross Anatomy?

A

The study of structures large enough to see with the unaided eye

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9
Q

List 3 types of Gross Anatomy

A
  • Surface Anatomy (study of superficial markings)
  • Regional Anatomy (study of specific areas of the body)
  • Systemic Anatomy (Study of the 11* specific organ systems)
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10
Q

What are the 11* organ systems

A
  • Muscular
  • Urinary
  • Respiratory
  • Digestive
  • Endocrine*
  • Reproductive
  • Skeletal*
  • Lymphatic
  • Integumentary*
  • Nervous*
  • Cardivascular
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11
Q

What is an organ system?

A

Organs that work together

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12
Q

List the 2 types of Microscopic Anatomy

A
  • Cytology (cells)

- Histology (tissue)

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13
Q

What are the levels of Structural Organization of the Human Body

A
  • atoms
  • molecules
  • macromolecules
  • organelles
  • cells
  • tissue
  • organ
  • organ system
  • human organism
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14
Q

What are the distinguishable processes of life?

A
  • Digestion (break down of food substances)
  • Reproduction
  • Absorption (passage of substances thru membranes/body fluids)
  • Growth (increase in size w/o change in shape)
  • Circulation (movement of substance thru body)
  • Assimilation (change absorbed substances chemically)
  • Respiration (use of oxygen)
  • Excretion (removal of waste products)
  • Movement (change in position)
  • Responsiveness (reaction to change)
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15
Q

What is metabolism?

A

Chemical processes that let you stay alive

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16
Q

What types of reactions does metabolism include?

A

Anabolic & Catabolic

17
Q

What is a catabolic reaction?

A

Breaks down materials and releases energy

18
Q

What is a anabolic reaction?

A

A building reaction that consumes energy

19
Q

What is homeostasis?

A

The ability of an entity to respond to it’s environment and maintain stability (FEEDBACK SYSTEM)

20
Q

What are the 3 parts of a Feedback System?

A

-Receptor
(something to sense the environment)

-Control Center
(mechanism that monitors & processes info from the receptor)

-Effector
(mechanism that responds to the control center)

21
Q

What is the complete (5) step process to homeostasis?

A
  1. Stimulus
  2. Receptor
  3. Input (to control center)
  4. Output
  5. Response (effector)
22
Q

What are the 2 feedback loops of homeostasis?

A
  • Negative (opposite reaction to maintain current state) (**most common)
  • Positive (more of the same to change body status)
23
Q

What are the 4 basic parts of a NEGATIVE feedback loop?

A
  1. Stimulus
  2. Sensor
  3. Control
  4. Effector
24
Q

What are the (5) environmental needs for homeostasis?

A
  1. Nutrients (energy)
  2. Oxygen (cellular respiration)
  3. Water (metabolic reaction / lubrication)
  4. Heat (maintain body temp / enzyme action)
  5. Pressure (breathing / filtering blood thru kidneys)