Work before reproduction Flashcards

1
Q

Why do cells work in groups

A

They are so small they wouldnt do anything by themselves

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2
Q

What is the largest organ

A

Liver

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3
Q

What is the proper name for the wind pipe

A

Trachea

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4
Q

What pipe does your food go down when you swallow

A

oesophagus

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5
Q

What organ starts the digestion of the food

A

Stomach

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6
Q

What do the kidneys do

A

They filter the waste out of the blood

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7
Q

Where does respiration happen in an animal cell?

A

In the mitochondria

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8
Q

What contains genes in a cell

A

The nucleus

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9
Q

What is the outside of an animal cell called

A

Cell membrane

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10
Q

What is the thick barrier on a plant cell

A

The cell wall

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11
Q

Where does photosynthesis happen in a plant cell

A

In the chloroplasts

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12
Q

What is in the middle part a plant cell

A

The vacuole

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13
Q

In a cell, where do lots of important chemical reactions happen

A

In the cytoplasm

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14
Q

What does the cell membrane do

A

Controls what goes in and out of the cell

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15
Q

In a plant cell what is the cell wall made of

A

Celluose

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16
Q

In a plant cell what is the vacuole filled with

A

Cell sap

17
Q

What do the lungs do

A

They absorb oxygen into the blood and they help you to breath

18
Q

What are tendons

A

They are strong chords which attatch muscles to bones

19
Q

What are ligaments

A

Tough fibres that hold the joint together

20
Q

What is cartilage

A

A smooth covering on the ends of bones in a joint

21
Q

What are the three bones in an arm

A

Humerus, ulna and the radius

22
Q

What are imoveable joints and where are they

A

Immoveable joints are fixed joints, they are between the bones of the skull

23
Q

What is a ball and socket joint

A

It’s a joint that can move in two ways

24
Q

What is a hinge joint

A

It allows free movement in one way

25
Q

what does MRS NERG mean

A

It is what living things do it means: MOVEMENT, RESPIRATION, SENSITIVITY, NUTRITION, EXCRETION, REPRODUCTION, GROWTH

26
Q

NUTRITION

A

Organisms absorb food molecules to provide the nutrients they need

27
Q

RESPIRATION

A

Some food molecules contain energy, so organisms break down these food molecules using oxygen, and this releases energy

28
Q

SENSITIVITY

A

Organisms are sensitive to stimuli(sound, light or chemicals) this is called sensitivity

29
Q

EXCRETION

A

Organisms make waste molecules that can be poisonous, so these molecules need to be removed from the body by excreation

30
Q

What do you call a group of cells

A

Tissues