respiratory system Flashcards

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1
Q

is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.

A

respiratory system

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2
Q

3 major parts of respiratory system

A

the airway
the lungs
the muscle of respiration

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3
Q

the airway includes:

A

nose, mouth, larynx, parnxy, trachea, bronchi

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4
Q

is what we normally use to inhale and exhale

A

nose

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5
Q

external opening of the nose

A

nostrils

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6
Q

inside part of the nose

A

nasal cavity

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7
Q

is moist and sticky that captures dust, germs, and small particles

A

mucus

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8
Q

these are tiny hairs that help clean the air before it goes to the lungs

A

cilia

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9
Q

is what we use to breathe when we need more air than what can be taken in through the nostrils, as when we pant or puff when we are exhausted.

A

mouth

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10
Q

Is the opening just behind the nose and mouth and is part of both the respiratory and digestive systems.

A

pharynx

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11
Q

two round, fleshy masses in the back of your throat

A

tonsils

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12
Q

are a patch of tissue that sit in the back of the nasal cavity

A

adenoids

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13
Q

is also known as the “voice box” because it houses the vocal chords and the different muscles used in producing sounds.

A

larynx

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14
Q

leaf-shaped flap cartilage which controls airflow to the lungs and diverts food mass away from the trachea

A

epiglottis

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15
Q

Also referred to as the windpipe, is a tube through which respiratory gas transport takes place

A

trachea

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16
Q

branches of trachea

A

bronchi

17
Q

lead to air sacs called alveoli, where most of the gas exchange happens

A

bronchioles

18
Q

are the most essential organ for respiration. Their main function is to transfer oxygen into the bloodstream, and to excrete carbon dioxide into the air.

A

lungs

19
Q

has 3 lobes

A

right lungs

20
Q

has 2 lobes, slightly smaller in size

A

left lung

21
Q

These lobes are filled with small and spongy air sacs called

A

alveoli

22
Q

A dome-shaped strcture that separates the chest and the abdomen.
The main respiratory muscle

A

diaphragm

23
Q

If we inhale, your diaphragm

A

it contracts(tightens) and moves downward

24
Q

If we exhale, diaphragm

A

it relaxes and return to its normal shape