Biology GCSE/1st year

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Nucleus

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Description and Tags

Plant and animal cell, The heart and Teeth, Digestive system

38 Terms

1

Nucleus

Carries genes which control activities of the cell.

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2

Cytoplasm

Watery fluids of salts and food in which organelles float.

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3

Mitochondria

Energy released from food in respiration.

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4

Chloroplast

Carries chlorophyll, which is used to make food in photosynthesis.

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5

Ribosome

Makes proteins, e.g. enzymes

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6

Cell membrane

Mostly made up of fat, protects the cell, allows substances in and out of the cell.

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7

Cell wall

Made of cellulose provides extra protection for the cell.

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8

Vacuole

space in the cytoplasm where food and water are stored.

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9

Pulmonary Artery

Carries blood from the right ventricle to the lungs.

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10

Vena Cava

Carries blood from around the body to the heart.

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11

Right atrium

Receives deoxygenated blood from the vena cava.

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12

Right ventricle

Receives blood from the right atrium, pumps blood into the pulmonary artery.

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13

Septum

Wall separating both sides of the heart.

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14

Aorta

Carries blood from the heart to send it around the body.

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15

Pulmonary vein

Carries blood back from the lungs to the left atrium.

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16

Left atrium

Receives oxygenated blood from the pulmonary vein.

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17

Valve

Valves prevent the blood flowing backwards.

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18

Left ventricle

Receives blood from the left atrium, pumps blood into aorta.

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19

Molar

Chews and grinds food

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20

Premolar

Chews and grinds food.

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21

Caine

Grips and tears food.

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22

Incisor

Cuts and slices food

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23

What are the front teeth called?

Incisor

<p>Incisor</p>
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24

Takes in food and chews it

Mouth

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25

Produces amylase

Salivary glands

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26

Carries food from the mouth to the stomach

Oesphagus

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27

Produces bile to aid digestion of fat

Liver

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28

Stores bile until it is needed in the small intestine

Gall bladder

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29

Digests food, absorbs food into the blood

Small intestine

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30

Churns food, adds hydrochloric acid to the food

Stomach

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31

Makes enzymes to digest food

Pancreas

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32

Absorbs water from food into the blood

Colon/ part of large intestine

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33

Stores faeces for egestion

Rectum/part of large intestine

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34

Prepares undigested food for egestion

Large intestine

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35

Allows faeces to pass from the body (egestion)

Anus

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36

The digestive system (picture)

<p></p>
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37

Function of blood

•Transports food to cells

•Helps fight infections

•Transports oxygen to cells

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38

Composition of blood

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