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Year 8 Science Semester 2 > Topic 4: Systems > Flashcards

Topic 4: Systems Flashcards

1
Q

What is a Molecule?

A

Two or more atoms joined together

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2
Q

What is an Organelle?

A

A structure within a cell with a specific function

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3
Q

What are Cells?

A

The smallest unit of life that makes up all living things

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4
Q

What is Cellular Respiration?

A

A chemical reaction involving oxygen that moves energy in glucose into the compound ATP

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5
Q

What is a System?

A

A group of organs working together

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6
Q

What is Respiratory System?

A

The system which allows a human to breathe

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7
Q

What is a Tissue?

A

A group of cells performing the same task

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8
Q

What is the Circulatory System?

A

The system used to pump blood around the body

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9
Q

What are Blood Cells?

A

A cell found in blood. Can be a red blood cell or white blood cell

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10
Q

What are Blood Vessels?

A

Veins, arteries or capillaries that flows blood around the body

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11
Q

What is the Heart?

A

A muscle which pumps blood around the body

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12
Q

What are Arteries?

A

Hollow tubes with thick walls carrying blood pumped by the heart

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13
Q

What are Capillaries?

A

Small tubes carrying blood to body cells. Every cell is supplied with blood through capillaries

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14
Q

What are Veins?

A

Tubes used to move blood to the heart

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15
Q

What is the Digestive System?

A

A system that allows us to eat and digest food and also extracts nutrients from the food to give to the body

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16
Q

What is the Excretory System?

A

The system that is used to remove wastes from the body

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17
Q

What is a Musculoskeletal System?

A

The system containing bones and various muscles

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18
Q

What is Plasma?

A

The yellow liquid in blood that carries water, minerals, food and waste to and from cells

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19
Q

What are Red Blood Cells?

A

Cells that transport oxygen all over the body

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20
Q

What is Haemoglobin?

A

The red pigment in red blood cells that carry oxygen

21
Q

What is Oxyhemoglobin?

A

Haemoglobin with oxygen molecules attached

22
Q

What are White Blood Cells?

A

Cells that fight infection

23
Q

What are Platelets?

A

Cells used to clot blood

24
Q

What is Oxygenated Blood?

A

Blood with oxygen

25
Q

What is Deoxygenated Blood?

A

Blood with carbon dioxide

26
Q

What is the Left Atrium?

A

The upper left part of the heart that carries oxygenated blood to the left ventricle

27
Q

What is the Right Atrium?

A

The upper right part of the heart that carries deoxygenated blood to the right ventricle

28
Q

What is the Left Ventricle?

A

The lower left part of the heart that carries oxygenated blood to the aorta

29
Q

What is the Right Atrium?

A

The lower right part of the heart that carries deoxygenated blood to the pulmonary artery

30
Q

What is a Varicose Vein?

A

Expanded and or knotted blood vessels close to the skin, usually found in the legs

31
Q

What is an ECG?

A

A graph using tiny electrical impulses generated by the heart to give information about the health of a heart

32
Q

What is Cellular Respiration?

A

The process of cells receiving oxygen

33
Q

What is the Epiglottis?

A

The tube that sends food to the stomach and oxygen to the lungs

34
Q

What is the Trachea?

A

The tube which takes oxygen to the lungs

35
Q

What are Bronchi?

A

Branches in the lung leading to the alveoli

36
Q

What are bronchioles?

A

Small branches in the lungs carrying oxygen to alveoli

37
Q

What is Chemical Digestion?

A

The digestion of food through stomach acids or saliva

38
Q

What is the Alimentary Canal?

A

The tube from the mouth to the anus

39
Q

What are Enzymes?

A

Chemicals that assist saliva in breaking down food

40
Q

What is Saliva?

A

Liquid produced in a humans mouth under the tongue used to breakdown food

41
Q

What are Salivary Glands?

A

Glands that produce saliva

42
Q

What is Excretion?

A

The removal of wastes from the body

43
Q

What is Skin?

A

The largest organ in the body that removes sweat

44
Q

What are the Lungs?

A

An organ that removes carbon dioxide

45
Q

What are Kidneys?

A

The organ that removes water from the blood and makes urine

46
Q

What are Nephron?

A

The part of a kidney that removes liquid from blood

47
Q

What is the Ureter?

A

The tube running from the kidney to the bladder

48
Q

What is the Bladder?

A

The organ that stores urine

49
Q

What is Urine?

A

The end product after water has been excreted from the blood

Year 8 Science Semester 2 (5 decks)

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