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Science Year 8 End of years > Health And deasise > Flashcards

Health And deasise Flashcards

1
Q

what does MRS GREN stand for?

A

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

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2
Q

what colour is Plasma?

A

Yellow

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3
Q

What is plasmas job?

A

Carry red and white blood cells

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4
Q

What is plasma mainly made out of?

A

Water

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5
Q

What is the Job of a white blood cell

A

Defend against disease

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6
Q

White blood cells have a large…

A

Nucleus

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7
Q

what are the two different types of white blood cell?

A

Phagocytes and Lymphocytes

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8
Q

what are white blood cells also called?

A

Leucocytes

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9
Q

what do red blood cells carry?

A

Oxygen

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10
Q

What shape are red blood cells?

A

Disc shape

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11
Q

what do red blood cells contain

A

Iron

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12
Q

What don’t red blood cells have?

A

A nucleus

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13
Q

what do platelets help to do?

A

Change fibrenger into Fibrin

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14
Q

What are platlets?

A

Small fragments of cells

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15
Q

True or false
Platelets help with clotting

A

True

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16
Q

What does plasma not have?

A

A nucleus

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17
Q

what happens during the process of decay?

A

something no longer living starts to decompose, rot away

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18
Q

what is a virus?

A

Tiny Particles that cause diesis in, People, animals and plants

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19
Q

Are Prokaryotes Unt cellular or multi cellular?

A

Uni cellular

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20
Q

an example of a Prokaryote?

A

Bacteria

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21
Q

Does a prokaryotes have cytoplasm?

A

Yes

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22
Q

prokaryotes do they have a cell membrain

A

Yes

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23
Q

prokaryotes do they have a nucleus?

A

No.

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24
Q

prokaryotes do they have a mitochondria?

A

No

25
Q

prokaryotes do they have a cell wall

A

Yes

26
Q

prokaryotes do they have a chloroplast?

A

No

27
Q

Protists are they Uni cellular or multi cleeular?

A

Uni cellular?

28
Q

Example of Protists

A

Amoeba

29
Q

Protists do they have cyroplasm/

A

Yes

30
Q

Protistsdo they have a cell membraine?

A

Yes

31
Q

Protistsdo they have a nucleus?

A

Yes

32
Q

Protists do they have a mitochondria

A

yes

33
Q

Protists do they have a cell wall?

A

Some do

34
Q

Protists do they have chloroplast

A

Some do

35
Q

Are fungi Uni cellular or Multicellular?

A

Multicellular

36
Q

examples of fungi

A

Yeast

37
Q

fungi do they have cytoplasm

A

yes

38
Q

fungi do they have cell membrane

A

yes

39
Q

fungi do they have a Nucleus

A

Yes

40
Q

fungi do they have a mitrocholdria?

A

Yes

41
Q

fungi do they have a cell wall?

A

yes

42
Q

fungi do they have chloroplast?

A

No

43
Q

Are Plants Unicellular or Multicellular?

A

Multicellular

44
Q

Example of Plants

A

Daisy

45
Q

Do plants have all the possible elements of a cell in?

A

Yes

46
Q

Animals have all the possible elements of a cell bar two which two is it missing?

A

Cell wall and chloroplast

47
Q

Example of a animal

A

Dog

48
Q

Are animals unicellular or multi cellular

A

Multi

49
Q

what is the equation for respiration

A

Glucose + oxygen = carbon dioxide + water

50
Q

what do forensic scientist sometimes need to do to identify a body

A

Use patterns in the victims teeth (dental records)

they look for filings ect

51
Q

In which days do you need to use skin colour to determine the time of death

A

Between three and 48 hours

52
Q

In which days do you need to use body temperature to determine the time of death?

A

first 10-12 hours

53
Q

In which days do you need to use the presence of cockroaches to determine the time of death?

A

2-4 weeks

54
Q

In which days do you need to use rigor mortis to determine the time of death?

A

between 48 hours and 7 days

55
Q

In which days do you need to use the presence of mites to determine the time of death

A

1-2 weeks

56
Q

what is the role of a Phagocyte

A

They ingest and destroy microbes

57
Q

what is the role of a B-cell

A

They produce anti bodies which attach to microbes and destroy them

58
Q

what is the role of a T-cell

A

They produce anti toxins (chemicals)

Science Year 8 End of years (2 decks)

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