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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?

25
prokaryotes do they have a cell wall
Yes
26
prokaryotes do they have a chloroplast?
No
27
Protists are they Uni cellular or multi cleeular?
Uni cellular?
28
Example of Protists
Amoeba
29
Protists do they have cyroplasm/
Yes
30
Protistsdo they have a cell membraine?
Yes
31
Protistsdo they have a nucleus?
Yes
32
Protists do they have a mitochondria
yes
33
Protists do they have a cell wall?
Some do
34
Protists do they have chloroplast
Some do
35
Are fungi Uni cellular or Multicellular?
Multicellular
36
examples of fungi
Yeast
37
fungi do they have cytoplasm
yes
38
fungi do they have cell membrane
yes
39
fungi do they have a Nucleus
Yes
40
fungi do they have a mitrocholdria?
Yes
41
fungi do they have a cell wall?
yes
42
fungi do they have chloroplast?
No
43
Are Plants Unicellular or Multicellular?
Multicellular
44
Example of Plants
Daisy
45
Do plants have all the possible elements of a cell in?
Yes
46
Animals have all the possible elements of a cell bar two which two is it missing?
Cell wall and chloroplast
47
Example of a animal
Dog
48
Are animals unicellular or multi cellular
Multi
49
what is the equation for respiration
Glucose + oxygen = carbon dioxide + water
50
what do forensic scientist sometimes need to do to identify a body
Use patterns in the victims teeth (dental records) they look for filings ect
51
In which days do you need to use skin colour to determine the time of death
Between three and 48 hours
52
In which days do you need to use body temperature to determine the time of death?
first 10-12 hours
53
In which days do you need to use the presence of cockroaches to determine the time of death?
2-4 weeks
54
In which days do you need to use rigor mortis to determine the time of death?
between 48 hours and 7 days
55
In which days do you need to use the presence of mites to determine the time of death
1-2 weeks
56
what is the role of a Phagocyte
They ingest and destroy microbes
57
what is the role of a B-cell
They produce anti bodies which attach to microbes and destroy them
58
what is the role of a T-cell
They produce anti toxins (chemicals)

Science Year 8 End of years (2 decks)

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