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grade 9 1st quarter > Science > Flashcards

Science Flashcards

1
Q

The external nares through which the air enters and filtered

A

Nostril

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2
Q

A common passageway for both food and air

A

PHARYNX

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3
Q

It contains the vocal chords which are responsible for producing our voice

A

LARYNX

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4
Q

A hollow tube that serves as the main passage way of air into lungs.

A

TRACHEA

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5
Q

Two branching tubes that connect the trachea to the lungs.

A

BRONCHI/BRONCHIAL TUBE

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6
Q

The finer subdivision of bronchi ; hair like tubes that connect to the alveoli.

A

BRONCHIOLES

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7
Q

Allows the gas exchange in the lungs.

A

ALVEOLI

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8
Q

The physical action of taking in oxygen into, and releasing the carbon dioxide out of the lungs.

A

BREATHING

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9
Q

sponge-like organs located in the chest cavity

A

LUNGS-

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10
Q

a powerful muscle found in the bottom of the rib cage

A

DIAPHRAGM-

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11
Q

is the process of taking in air into the lungs.

A

INHALATION

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12
Q

Is the process of letting air out from the lungs

A

EXHALATION

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13
Q

A contagious infection of the upper respiratory tract and is usually the result of a viral infection.

A

COUGH AND COLDS

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14
Q

An allergic condition that makes the breathing airways narrow and swollen

A

ASTHMA

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15
Q

Needs a long-term exposure to bacteria (mycobacterium tuberculosis) before becoming infected.

A

TUBERCULOSIS

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16
Q

The swelling of the breathing passages caused by industrial pollutants and tobacco smoke

A

BRONCHITIS

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17
Q

A long-term disease of the lungs caused by prolonged exposure to respiratory irritants like tobacco chemicals and air pollutants.

A

EMPHYSEMA

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18
Q

Can be acquired through the long- term exposure to tobacco smoke.

A

LUNG CANCER

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19
Q

Carries the variety of essential elements throughout the body.

A

BLOOD

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20
Q

carry oxygen to the body

A

Red Blood Cell-

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21
Q

helps fight infections and diseases

A

White Blood Cell-

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22
Q

cells that helps with clotting

A

Platelets-

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23
Q

the liquid portion of blood.

24
Q

The movement of blood through the body that is caused by the pumping action of the heart

A

Circulation

25
Q

Movement of blood from the heart to the lungs, and back to the heart.

A

Pulmonary Circulation

26
Q

Movement of blood through the tissues of the heart.

A

Coronary Circulation

27
Q

Movement of blood from the heart to the rest of the body, excluding the lungs.

A

Systemic Circulation

28
Q

A system that carry oxygen and nutrients to every cell of the body and removes carbon dioxide and other wastes from the cells

A

Circulatory System Cardiovascular System

29
Q

Pumps the blood throughout the body.

30
Q

Carries the blood throughout the body

A

BLOOD VESSEL

31
Q

carry oxygenated blood away from the heart to the cells, tissues and organs of the body except pulmonary arteries, which carry deoxygenated blood to the lungs for oxygenation.

32
Q

carry deoxygenated blood towards the heart excluding pulmonary veins, which carry oxygenated blood from the lungs to the heart.

33
Q

the smallest blood vessels in the body, connecting the smallest arteries to the smallest veins.

A

Capillaries-

34
Q

A hollow muscle located in the center of the chest, usually pointing slightly left.
Is roughly the size of a large fist.
An organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes.

A

The Human Heart

35
Q

A membrane covering the heart.

A

PERICARDIUM

36
Q

A wall of tissue that divides the heart into half.

37
Q

The receiving chambers of the heart accepting blood from the body (right atrium) and from the lungs (left atrium).

A

ATRIA/ UPPER CHAMBER

38
Q

The pumping chambers of the heart moving blood to the lungs (right ventricle) and into the body (left ventricle).

A

VENTRICLES/LOWER CHAMBER

39
Q

It prevents the blood from flowing backward

40
Q

(LA and LV)

A

Bicuspid valve

41
Q

(RA and RV

A
  • Tricuspid valve
42
Q

(RV and pulmonary artery

A
  • Pulmonary valve
43
Q

LV and aorta)

A
  • Aortic valve
44
Q

DNA

A

deoxyribonucleic acid

45
Q

DIAPHRAGM MUSCLE when INHALATION

46
Q

DIAPHRAGM MUSCLE when exhalation

47
Q

DIAPHRAGM DIRECTION when INHALATION

A

Moves Downward

48
Q

DIAPHRAGM DIRECTION when exhalation

A

Moves upward

49
Q

CHEST CAVITY when INHALATION

50
Q

CHEST CAVITY when exhalation

51
Q

RIB CAGE when INHALATION

A

Pulls Upward

52
Q

RIB CAGE when exhalation

A

Return to its original place

53
Q

LUNG SIZE when INHALATION

54
Q

LUNG SIZE when exhalation

55
Q

Systemic Circulation

A

Oxygenated Blood (left and right lung) -> Pulmonary veins(left and right)-> Left Atrium -> Bicuspid Valve-> Left ventricle-> Aortic Valve -> Aorta -> Different parts of the body (upper and lower)

56
Q

Pulmonary Circulation-

A

Deoxygenated Blood (upper and lower body)-> Superior and Inferior Vena Cava -> Right Atrium -> Tricuspid Valve -> Right Ventricle -> Pulmonary Valve -> Right Ventricle -> Pulmonary valve -> Pulmonary arteries -> to the left and right lungs

grade 9 1st quarter (6 decks)

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