Respiratory System Flashcards

1
Q

Cells

A

The basic structural unit of an organism which living things are created

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2
Q

Alveoli

A

Tiny air sacs in the lungs where exchange of oxygen and carbon dioxide takes place.

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3
Q

Ventilation

A

the exchange of oxygen with carbon dioxide in the lungs.

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4
Q

Trachea

A

the windpipe, which connects the larynx to the lungs.

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5
Q

bronchi

A

The main passageways directly attached to the lungs

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6
Q

bronchioles

A

Small passages in the lungs that connect bronchi to alveoli

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7
Q

heart

A

Muscular organ that pumps blood throughout the body.

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8
Q

mediastinum

A

The area between the two lungs.

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9
Q

Pleura

A

A membrane around the lungs and inside the chest cavity.

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10
Q

capillaries

A

Small vessels that connect smaller arteries, called arterioles, to smaller veins, called venules, and carry out gas exchange.

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11
Q

diffusion

A

The passive movement of a substance from an area of a high concentration to an area of low concentration.

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12
Q

Passive Transport

A

Movement across a cell membrane that does not require energy input.

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13
Q

tidal volume

A

The amount of air breathed in a normal inhalation or exhalation

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14
Q

allergies

A

An immune response to a foreign agent that is not a pathogen.

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