Year 7 Science: Muscles and Bones Flashcards

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1
Q

what connects bones together?

A

ligaments

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2
Q

how are capillaries well adapted to their function?

A

they have thin walls so it can exchange cells through the walls

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3
Q

what happens to your muscles when you raise your arm?

A

the bicep contracts and the tricep relaxes

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4
Q

what is a drug?

A

a substance that affects the way your body works

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5
Q

z = ?

A

diaphragm

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6
Q

what does it mean when someone feels like they can’t live without a drug?

A

they are addicted

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7
Q

what happens to the diaphragm during inhalation?

A

the muscles of the diaphragm contract, making it move downwards and flatten out.

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8
Q

how are red blood cells well adapted to their function?

A

1) they have a thin membrane so gases can pass through easily

2) it is small and flexible so it can fit through tiny vessels

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9
Q

what is carried in plasma?

A

nutrients, proteins and hormones

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10
Q

Miranda’s pulse rate goes up, what does this show?

A

she needs more oxygen

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11
Q

Miranda went running. What happens to her breathing rate?

A

It increases (gets faster and heavier)

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12
Q

x = ?

A

heart

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13
Q

what does P do?

A

protects the ribs

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14
Q

y = ?

A

ribs

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15
Q

what does O do?

A

protects the brain

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16
Q

what are muscles like
(biceps and triceps) called?

A

antagonistic pairs

17
Q

circle a flexible joint

A

shoulder