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GCSE Biology (AQA) > Organisation > Flashcards

Organisation Flashcards

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1
Q

Amylase

A

An enzyme produced in the salivary glands and the pancreas that breaks carbohydrates down into simple sugars.

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2
Q

Aorta

A

The main artery that takes oxygenated blood away from the heart to the body.

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3
Q

Artery

A

A blood vessel that carried blood at high pressure away from the heart.

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4
Q

Benign Tumour

A

An abnormal cell growth that is contained in one area and does not invade other areas of the body.

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5
Q

Blood

A

A tissue containing red blood cells, white blood cells, platelets, and plasma.

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5
Q

Bile

A

A substance made in the liver and stored in the gallbladder which is used to neutralise stomach acid in the intestine and emulsify fats.

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6
Q

Cancer

A

A non-communicable disease caused by changes in the cell that lead to uncontrolled growth and division.

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7
Q

Capillary

A

A very thin blood vessel that is used for the exchange of substances.

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8
Q

Cell

A

The basic building block of all living organisms.

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9
Q

Communicable Disease

A

A disease that can spread between individuals either directly or indirectly.

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10
Q

Coronary Heart Disease

A

A disease caused by the build up of fatty deposits inside the coronary artery, narrowing it and reducing blood flow to the heart tissue.

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11
Q

Enzymes

A

Biological catalysts that increase the rate of reactions in living organisms.

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12
Q

Health

A

The state pf physical and mental wellbeing.

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13
Q

Heart

A

An organ that pumps blood around the body in a double circulatory system.

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14
Q

Lipase

A

An enzyme that is produced in the pancreas that breaks lipids down into fatty acids and glycerol.

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15
Q

Lock and Key Hypothesis

A

A theory that describes how substrate must me the correct shape to fit in the active site of an enzyme.

16
Q

Malignant Tumour

A

A cancerous cell growth that invades neighbouring tissues and can spread to different parts of the body in the blood.

17
Q

Meristem Tisssue

A

Plant tissues containing undifferentiated stem cells.

18
Q

Metabolism

A

All the chemical reactions occurring in an organism.

19
Q

Non-communicable Disease

A

A disease which can’t be spread between individuals.

20
Q

Organs

A

Aggregations of tissues performing specific functions.

21
Q

Organ System

A

Groups of Organs that work together to form organisms.

22
Q

Palisade Mesophyll

A

A tissue found in plants which is specialised to transport sugars from source to sink.

23
Q

Protease

A

An enzyme produced in the stomach and pancreas that breaks proteins down into amino acids.

24
Q

Pulmonary Artery

A

The main artery that takes deoxygenated blood away from the heart to the lungs.

25
Q

Pulmonary Vein

A

The main vein that takes oxygenated blood back to the heart from the lungs.

26
Q

Rate of Reaction

A

The speed at which reactants are converted into products.

27
Q

Risk Factor

A

Something that increases a person’s risk of developing a disease.

28
Q

Spongy Mesophyll

A

A tissue found in plant leaves that is specialised for gas exchange.

29
Q

Statins

A

A class of drugs that are used to reduce blood cholesterol levels which slows down the rate of fatty material deposit.

30
Q

Stent

A

A tube that can be surgically implanted into blood vessels to keep them open.

31
Q

Tissue

A

A group of cells with a similar structure and function.

32
Q

Translocation

A

The movement of food molecules through the phloem tissue.

33
Q

Transpiration

A

The process of water evaporating from a plant.

34
Q

Vein

A

A blood vessel carries blood at a low pressure back to the heart.

35
Q

Vena Cava

A

The main vein that takes deoxygenated blood back to the heart from the body.

36
Q

Xylem

A

A transport tissue in plants which is specialised to transport water and dissolved minerals from the roots of the plant to the leaves.

GCSE Biology (AQA) (7 decks)

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