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Advanced Biology > Chapter 1-intro > Flashcards

Chapter 1-intro Flashcards

1
Q

Anatomy

A

Structure of the body and the relations of its parts (names of structures)

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2
Q

Physiology

A

Functions of the body parts (how they work)

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3
Q

Atoms

A

The smallest unit of matter

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4
Q

Metabolism

A

All the different chemical reactions occurring in the body

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5
Q

Cell

A

The basic unit of Life

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6
Q

Histology

A

Study of Tissues

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7
Q

Organ Level

A

2 or more different tissues working together to perform a particular function

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8
Q

Chemical Level

A
  • Simplest level
  • Atomic
  • Ex. DNA
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9
Q

Levels of Structural Organization (6)

A
  • Chemical
  • Cellular
  • Tissue
  • Organ
  • System
  • Organism.
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10
Q

How many systems are in the body?

A

11 (Integumentary, Skeletal, Muscular, Nervous, Circulatory, Lymphatic, Endocrine, Respiratory, Digestive, Urinary, Reproductive)

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11
Q

System Level

A

Group of related organs that perform a common function

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12
Q

Organism Level

A
  • Human Body

- All the parts of the body fuctioning together

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13
Q

Homeostasis

A

Conditions where the body’s internal environment remails within certain limits (Maintaining Sameness)

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14
Q

The biggest threat to homeostasis

A

Stress

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15
Q

Stressor

A

Disrupts Homeostasis

-Disruptions are usually mild and temporary

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16
Q

External Stress

A

Outside the body

17
Q

Internal Stress

A

Inside the body

18
Q

Negative feedback System

A
  • Reverse a change
  • Used for frequent adjustments
  • Exs. Body temps, Blood sugar levels, blood pressure
19
Q

Most feedback systems are…?

20
Q

Positive Feedback System

A
  • Strengthen a change

- Exs. Oxytocin in labor, blood clotting

21
Q

Disease results if…?

A

Disruption in homeostasis can’t be fixed

22
Q

Disorder

A

Abnormality of structure/function

23
Q

Disease

A

Specific illness determined by signs and symptoms

24
Q

Symptoms

A

Subjective changes observable from outside

25
Q

Signs

A

Measurable obersvable changes

26
Q

Atomical Position

A

A standardized method of observing the body

27
Q

Bilateral

28
Q

Supine

A

Body lying face up

29
Q

Prone

A

Body lying face down

30
Q

Body Cavities are…

A

spaces within the body that help protect, separate, and support internal organs.

31
Q

Serous Membranes

A

Thin slippery membrane lines body cavities not open to the outside.

32
Q

Parietal Layer

A
  • Lines walls of cavities

- Perimeter

33
Q

Visceral Layer

A

-Covers viscera within the cavities

34
Q

Serous Fluid

A

reduces friction

35
Q

Organs

36
Q

Diaphragm

A
  • Large, dome-shaped muscle

- Breathing muscle

Advanced Biology (14 decks)

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