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Flashcards > Ch 1 pt 2 > Flashcards

Ch 1 pt 2 Flashcards

1
Q

Posterior aspect (encased in bone)

A

The surface of the human body viewed from the back

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2
Q

Ventral cavity (not encase)

A

Human body cavity located at the front of the body

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3
Q

Cranial cavity (PA)

A

Formed by bones in the cranium (brain)

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4
Q

Vertebral canal

A

Formed by the bones of the vertebral column (spinal cord)

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5
Q

Thoracic cavity

A

Space in your chest that contains organs, blood vessels, nerves and other important body structures.

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6
Q

Abdominopelvic cavity

A

A body cavity that consists of the abdominal cavity and the pelvic cavity.

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7
Q

Serous membranes

A

1 cell layer thick membrane that’s wrapped in on itself forming 2 layers.

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8
Q

Parietal layer

A

Lines internal surface of body wall

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9
Q

Visceral layer

A

Covers external surface of organs

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10
Q

Serous cavity

A

Space between membranes

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11
Q

Serous fluid ->

A

Reduces friction

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12
Q

Mediastinum

A

Median space in the thoracic cavity

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13
Q

What does the mediastinum contain?

A

heart, thymus, major blood vessels

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14
Q

Pericardium

A

Two-layered serous membrane

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15
Q

Visceral pericardium

A

Forms the heart’s external surface

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16
Q

Parietal pericardium

A

Outer layer, which forms the sac around the heart

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17
Q

Pericardial cavity

A

Space between parietal and visceral layers containing serous fluid

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18
Q

Pleura

A

Two-layered serous membrane associated with lungs

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19
Q

Visceral pleura

A

Inner layer covers external surface of lungs

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20
Q

Parietal pleura

A

Outer layer lines internal surface of thoracic wall

21
Q

Pleural cavity

A

Space between parietal and visceral layers containing serous fluid

22
Q

Pelvic cavity

A

Inferior area (below); between hip bones, contains large intestine, bladder, internal reproductive organs

23
Q

Abdominal cavity

A

Superior area (above); digestive system organs and kidneys

24
Q

Peritoneum

A

Two-layered serous membrane lining the abdominopelvic

25
Q

Peritoneal cavity

A

Potential space between parietal and visceral layers containing serous fluid

25
Q

Visceral peritoneum

A

Inner layer, which covers the external surface of most abdominal and pelvic organs

26
Q

Parietal peritoneum

A

Outer layer, which lines the internal walls of the abdominopelvic cavity

27
Q

When looking at the body it is?

A

Inverted

28
Q

Homeostasis

A

Constant internal environment

29
Q

Receptor

A

Detects changes in a variable

30
Q

What does epi stand for?

A

Above

31
Q

What does hypo stand for?

A

Below

32
Q

What does chondr stand for?

A

Cartilage

33
Q

Lateral

A

How far you are from the midline

34
Q

Simulus

A

Serves change

35
Q

Nervous system

A

Fast, short lasting

36
Q

Endocrine system

A

Slow, long lasting

37
Q

Control center

A

Interprets input from receptor and initiates changes through effector

38
Q

Effector

A

brings about changes

39
Q

Negative feedback

A

Controls most process in the body and fluctuates within a normal range

40
Q

Example of negative feedback

A

Temperature regulation

41
Q

Positive feedback

A

moving section until climactic event occurs

42
Q

Example of positive feedback

A

Breastfeeding, blood clotting, labor

43
Q

What happens if systems fail?

A

Homeostatic imbalance or disease result

44
Q

Avg. body temperature

A

98.6F

45
Q

Avg. blood glucose

A

80-110 mg/dL

46
Q

Avg. blood pressure

A

90-120/ 60-80 mm Hg

47
Q

Example of homeostatic imbalance

A

Diabetes

48
Q

Medial

A

How close you are to the midline

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