Excretion Flashcards

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1
Q

Excretion

A

The process by which waste and harmful substances produced by the body’s metabolism are removed from the body

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2
Q

Why is excretion important?

A

It prevents toxic metabolic waste substances from building up in the body.
It helps keep the environment within the body constant by maintaining the concentration of body fluids

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3
Q

Egestion

A

The process by which undigested dietary fibre and other materials are removed from the body as faeces

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4
Q

Metabolic waste excreted by humans

A

Carbon dioxide
Water
Urea
Bile pigments
Heat

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5
Q

Excretory organs in humans

A

Kidneys
Lungs
Skin
Liver

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6
Q

Osmoregulation

A

The regulation of the water content of blood plasma and body fluids

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7
Q

Waste Products Of Flowering Plants

A

Respiration: Carbon Dioxide (CO2)
Photosynthesis: Glucose and oxygen

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8
Q

Methods Of Excretion in Flowering Plants

A

Stomata
Transpiration

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9
Q

Mechanism of Lungs

A

Lungs help you breathe. They get rid of waste gas called carbon dioxide when you breathe out. This gas comes from your body’s cells.

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10
Q

Mechanism of Skin

A

Skin sweats to remove waste. It releases water, salts, and a bit of waste called urea. This helps cool your body down and keeps it clean.

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11
Q

Mechanism of Kidneys

A

Kidneys clean your blood. They take out waste like urea and extra water from your blood to make pee.

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12
Q

Dialysis

A

Dialysis is a medical procedure used to perform the kidney’s functions artificially when they are impaired or failing

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13
Q

Structure Of Skin

A

Epidermis
Sweat glands
Blood vessels

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