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Year 9 science > biology > Flashcards

biology Flashcards

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Biology 101 flashcards
1
Q

an animal and plant cell both contain…

A

Cytoplasm, Nucleus , cell membrane

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1
Q

Vacuole

A

filled with sap, keeps shape of a cell.

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2
Q

Cell wall

A

made from cellulose and strengthens plant

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3
Q

Chloroplast

A

the sight of photosynthesis

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4
Q

Animal, plant and fungi cells are all…

A

part of a group called eukaryotic cells.

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5
Q

bacteria

A

made of single cells

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6
Q

ciliated cell

A

found in passages used for breathing, usually work alongside goblet cells which produce mucus

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7
Q

Arteries

A

Arteries, carry oxygenated blood away from your heart
Arteries have a small lumen

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8
Q

Capillaries

A

Capillaries, connect the arteries and veins

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9
Q

Veins

A

Veins carry blood into the heart

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10
Q

What is the main female reproductive hormone

A

Oestrogen

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11
Q

Lacteal

A

Tube that absorbs the products of fat digestion before returning them to the blood

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12
Q

Permeable

A

Digested food can pass through easily

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13
Q

Villus

A

Large network of capillaries

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14
Q

FSH

A

Causes the egg to mature in the ovarie
Stimulate the ovaries to release oestrogen

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15
Q

LH

A

Causes the egg to be released from the ovarie (on average day 14)

16
Q

Oestrogen and progesterone

A

Maintain the uterus lining
Progesterone inhibits FSH and LH release
Oestrogen inhibits FSH release and stimulates LH release

17
Q

Hormone

A

Chemical messengers which are transported in your blood

18
Q

What do hormones do

A

They attach to receptors on certain cells or organs to bring about a response

19
Q

Where are hormones released

A

Glands

20
Q

Are hormones fast

A

They have slower effects than nerves but the effects last much longer

21
Q

HT

A

Produced by the thyroid gland
Stimulates metabolic rate
Important in growth and development

Year 9 science (2 decks)

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