Chapter 1 Flashcards

0
Q

Hydrostatic pressure

A

Pressure liquid exerts

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1
Q

Requirements of Organisms

A

Water, food, oxygen, heat, pressure

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2
Q

Atmospheric pressure

A

Force acting on the outside of a land organism due to the weight of air above it

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3
Q

Homeostasis requires most of our _____ energy

A

Metabolic

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4
Q

Homeostatic mechanisms

1.
2.
3.
4.
5.
A
Stimulus
Receptors
Control center
Effectors 
Response
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5
Q

Most body systems have ___ feedback

A

Negative

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6
Q

Negative feedback

A

Response is in opposite direction of stimulus

“More gives less”

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7
Q

Examples of positive feedback

A

Nursing

Giving birth

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8
Q

Positive feedback

A

Stimulus makes you produce more

“More gives you more”

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9
Q

Serous membrane

A

Secretes fluid

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10
Q

Parietal membrane

A

Lines cavity

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11
Q

Visceral membrane

A

Lines organ

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12
Q

Viscera

A

Organs in thoracic and and abdominopelivc cavities

Ribs to pelvis

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13
Q

Thoracic cavity is separated by ____

A

Diaphragm

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14
Q

Region between lungs ___

A

Mediastinum

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15
Q

Visceral pericardium

A

Covers heart surface

16
Q

Peritoneal membranes

A

Membranes in abdominalpelvic cavity

17
Q

Space between parietal pleura and visceral pleura ____

A

Pleural cavity

18
Q

Visceral peritoneum covers most of the organs in the ___

A

Abdominopelvic cavity

19
Q

Body covering

A

Integumentary

20
Q

Support and movement

A

Skeletal and muscular

21
Q

Integration and coordination

A

Nervous and endocrine

22
Q

Transport

A

Cardiovascular and lymphatic

23
Q

Absorption and excretion

A

Digestive, respiratory, urinary

24
Q

homeostatic mechanisms include…

A

regulation of body temperature, blood pressure, and blood glucose concentration

25
Q

homeostatic mechanisms employ _____ feedback

A

negative