science term 1 grade 9 Flashcards

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1
Q

what is in the digestive system

A

mouth. stomach. small inestine. large intestine. rectum. pancreas.

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2
Q

why does your pee go dark when your dehydrated

A

your kidney is trying to save water colour and smell

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3
Q

what do the small intestines do

A

helps to digest food and absorb nutrienys

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4
Q

what does the latge intestine do

A

abdorb water produce vitamines

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5
Q

what does the pancreas testicals and ovaries do

A

produce hormones insulin

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6
Q

what does the nervous system do

A

connects the brain to the body and sends messages

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7
Q

what does the endocrine system do

A

releases hormones into the blood

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8
Q

what does the excretory system do

A

urinary system gets rid of waste

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9
Q

what does the second line of defence do

A

fights off pathogens using generalised attacks

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10
Q

what does the third line of defence do

A

fights off pathogens with antibodies and usesmemory cells to create immunity for the next time

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11
Q

what are pathogens

A

virus fungi bacteria

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12
Q

what are antibodies

A

a type of white blood cell

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13
Q

what is abiotic

A

non living things that affect living things in an environment

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14
Q

what is in your urine

A

water salt urea

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15
Q

how does the nervous system work

A

stimulus receptor sensory neuron brain motor neuron effector response

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16
Q

levels in food web

A

producer consumer decompser