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Drummond BGE Science > S1 - Cells and Body Systems (complete) > Flashcards

S1 - Cells and Body Systems (complete) Flashcards

This deck covers the Cells and Body Systems topic covered in S1 Science. Cells and Body Systems is a Biology topic.

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Biology 101 flashcards
1
Q

Microscope

A

Instrument used to see objects which are too small to be seen with the eye.

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2
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3
Q

One of 3 lenses that magnify by 4, 10 or 20X.

A

Objective lens

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6
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7
Q

Stain

A

A coloured solution used so that a specimen can be seen more clearly.

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8
Q

What stain would you use for an onion cell?

A

Iodine

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9
Q

What stain would you use for a cheek cell?

A

Methylene blue

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10
Q

Cover slip

A

Small glass square that covers the specimen.

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11
Q

Slide

A

Glass rectangle to hold the specimen.

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12
Q

Lens at the top of the microscope which magnifies by 10X.

A

Eyepiece

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13
Q

Used to sharpen the image seen in a microscope.

A

Focus

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14
Q

Label the three main parts of an animal cell

A
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17
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18
Q

Cell wall

A

Supports the plant cell and helps it keep its shape.

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19
Q

Vacuole

A

Stores dissolved salts and sugars.

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20
Q

Cell membrane

A

Controls what substances go in and out of a cell.

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21
Q

Cytoplasm

A

The site of chemical reactions.

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22
Q

Nucleus

A

Contains DNA which controls the cell’s activities.

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23
Q

Chloroplast

A

Where sugars are made in plant cells by photosynthesis. Only green parts of a plant have them (e.g. leaves).

24
Q

Micrometre

A

1000th of a millimetre.

(1000 micrometers = 1 mm)

25
Q

Multicellular

A

Made of many cells.

26
Q

Specialised cell

A

A cell adapted for a particular function.

(e.g. egg cell, muscle cell)

27
Q

Tissue

A

A group of specialised cells.

(e.g. muscle tissue = group of muscle cells)

28
Q

Organ

A

A structure containing different types of tissue.

(e.g. heart, lungs, etc.)

29
Q

Organ system

A

A group of organs working together.

(e.g. digestive system)

30
Q

Digestive system

A

Breaks down food and absorbs nutrients.

31
Q

Name three organs which are part of the digestive system.

A

Any three of:

Tongue

Salivary glands

Oesophagus/gullet

Stomach

Liver

Gall bladder

Pancreas

Small intestine

Large intestine

Rectum

Anus

32
Q

Tube that squeezes the food down to the stomach.

A

Oesophagus/gullet

33
Q

A bag that churns up food. It contains acid and gastric juice.

A

Stomach

34
Q

Wide tube that undigested food passes through. Water is absorbed from it back into the body.

A

Large intestine

35
Q

Very long tube food passes through after leaving the stomach. Food is completely digested and absorbed into the blood stream.

A

Small intestine

36
Q

Oesophagus/gullet

A

Tube that squeezes the food down to the stomach.

37
Q

Stomach

A

A bag that churns up food. It contains acid and gastric juice.

38
Q

Large intestine

A

Wide tube that undigested food passes through. Water is absorbed from it back into the body.

39
Q

Small intestine

A

Very long tube food passes through after leaving the stomach. Food is completely digested and absorbed into the blood stream.

40
Q

Circulatory system

A

Circulates blood which carries materials around the body.

41
Q

Name three organs which are part of the circulatory system.

A

Any three of:

heart

arteries

veins

capillaries

blood

42
Q

Heart

A

Pushes blood through the blood vessels.

43
Q

Arteries

A

Large blood vessels. Blood travels through them away from the heart.

(Arteries = Away)

44
Q

Veins

A

Large blood vessels. Blood travels through them towards the heart.

45
Q

Capillaries

A

Very small blood vessels.

46
Q

Pushes blood through the blood vessels.

A

Heart

47
Q

Large blood vessels. Blood travels through them away from the heart.

(Arteries = Away)

A

Arteries

48
Q

Large blood vessels. Blood travels through them towards the heart.

A

Veins

49
Q

Very small blood vessels.

A

Capillaries

50
Q

Respiratory system

A

Used for exchange of gases with the environment.

(exhale carbon dioxide, inhale oxygen)

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Drummond BGE Science (12 decks)

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