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

Topic 4: Systems Flashcards

(49 cards)

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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?

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A

The red pigment in red blood cells that carry oxygen

21
Q

What is Oxyhemoglobin?

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A

Haemoglobin with oxygen molecules attached

22
Q

What are White Blood Cells?

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A

Cells that fight infection

23
Q

What are Platelets?

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A

Cells used to clot blood

24
Q

What is Oxygenated Blood?

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A

Blood with oxygen

25
What is Deoxygenated Blood?
Blood with carbon dioxide
26
What is the Left Atrium?
The upper left part of the heart that carries oxygenated blood to the left ventricle
27
What is the Right Atrium?
The upper right part of the heart that carries deoxygenated blood to the right ventricle
28
What is the Left Ventricle?
The lower left part of the heart that carries oxygenated blood to the aorta
29
What is the Right Atrium?
The lower right part of the heart that carries deoxygenated blood to the pulmonary artery
30
What is a Varicose Vein?
Expanded and or knotted blood vessels close to the skin, usually found in the legs
31
What is an ECG?
A graph using tiny electrical impulses generated by the heart to give information about the health of a heart
32
What is Cellular Respiration?
The process of cells receiving oxygen
33
What is the Epiglottis?
The tube that sends food to the stomach and oxygen to the lungs
34
What is the Trachea?
The tube which takes oxygen to the lungs
35
What are Bronchi?
Branches in the lung leading to the alveoli
36
What are bronchioles?
Small branches in the lungs carrying oxygen to alveoli
37
What is Chemical Digestion?
The digestion of food through stomach acids or saliva
38
What is the Alimentary Canal?
The tube from the mouth to the anus
39
What are Enzymes?
Chemicals that assist saliva in breaking down food
40
What is Saliva?
Liquid produced in a humans mouth under the tongue used to breakdown food
41
What are Salivary Glands?
Glands that produce saliva
42
What is Excretion?
The removal of wastes from the body
43
What is Skin?
The largest organ in the body that removes sweat
44
What are the Lungs?
An organ that removes carbon dioxide
45
What are Kidneys?
The organ that removes water from the blood and makes urine
46
What are Nephron?
The part of a kidney that removes liquid from blood
47
What is the Ureter?
The tube running from the kidney to the bladder
48
What is the Bladder?
The organ that stores urine
49
What is Urine?
The end product after water has been excreted from the blood

Year 8 Science Semester 2 (5 decks)

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