Human Body Unit Test Flashcards

(40 cards)

1
Q

Describe the Integumentary System

A

organ system that provides a protective covering around the body (skin, hair, nails)

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2
Q

describe the muscular system

A

primary function is movement and flexibility

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3
Q

describe the skeletal system

A

primary function is to support, protect, and allow body to move

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4
Q

describe the cardiovascular and circulatory systems

A

transports blood throughout the body

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5
Q

describe the respiratory system

A

takes in oxygen and expels carbon dioxide

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6
Q

describe the nervous system

A

sends electrical signals throughout the body

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7
Q

describe the digestive system

A

group of organs that digest food

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8
Q

describe the lymphatic system

A

collects extracellular fluid and returns it to the blood

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9
Q

define homeostasis

A

the maintenance of a constant internal state in changing environment

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10
Q

describe bones protect

A

different structures protect vital internal organs such as the lungs, heart, and kidney

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11
Q

describe what storage has to do with bones

A

bones store minerals that help your nerves and muscles and fat that can be used for energy

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12
Q

describe how muscles help you move

A

skeletal muscles pull on bones to produce movement

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13
Q

describe what bones have to do with blood cell formation

A

some bones contain marrow that produces blood cells

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14
Q

describe gliding joint

A

allows bones to glide over one another with some flexibility (hand+wrist)

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15
Q

describe ball-and-socket joints

A

lets you move freely in all directions (hips+shoulders)

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16
Q

describe hinge joints

A

ability to open and close like a door (knee, elbow)

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17
Q

describe skeletal muscle

A

enables bone movement (bicep, tricep)

18
Q

describe smooth muscle

A

moves food through digestive system (stomach)

19
Q

describe cardiac muscle

A

pumps blood throughout body (heart)

20
Q

describe flexors

A

bends part of your body

21
Q

describe extensors

A

straightens part of your body

22
Q

aerobic exercise

A

strengthens heart and endurance: swimming, joggling, cycling

23
Q

resistance exercise

A

working against the weight of an object (curl-ups)

24
Q

how does skin protect?

A

keeps water in and foreign particles out

25
how does skin help with touch?
nerve endings in skin let you feel things
26
what does skin have to do with body temp.?
sweat glands regulate body temperature
27
how does skin help with waste removal?
waste chemicals can be removed in sweat
28
describe the epidermis
surface layer of cells on a plant or animal, keratin within cells
29
describe the dermis
layer below epidermis, fibers within called collagen
30
describe the heart
main muscle that pumps blood throughout the body
31
describe veins
vessel that carries blood to the heart
32
describe arteries
vessel that carries blood away from the heart
33
describe capillaries
tiny vessel that allows exchange between cells in tissue
34
pulmonary circulation
between heart and lungs
35
systemic circulation
between heart and rest of body
36
describe the pharynx
passage from the mouth to the larynx and esophagus
37
describe the larynx
area of the throat that contains vocal cords and produces vocal sounds
38
describe the trachea
tube that connects the larynx to the lungs
39
describe the bronchus
one of two tubes that connect lungs with the trachea
40
describe alveoli
any of the tiny air saces of the lungs where oxygen and carbon dioxide are exchanged