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Biology > Excretion > Flashcards

Excretion Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Excretory system in humans consists of

A

A pair of kidneys
A pair of ureter
Urinary bladder
Urethra

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2
Q

Urinary bladder is ____ muscle

A

Voluntary Muscular

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3
Q

Purpose of making urine

A

To filter out waste products from blood

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4
Q

CO 2 is removed from blood via

A

Lungs ( respiration)

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5
Q

Nitrogenous wastes like urea and uric acid are removed via

A

Kidneys

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6
Q

Filtration unit of kidneys

A

Nephron

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7
Q

Nephrons are a clustor of

A

Thin walled capillaries in a cup shaped called Bowmans Capsule

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8
Q

What does Bowmans Capsule do

A

Collect filtrate

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9
Q

What are the substances in filterate that gets reabsorbed

A

Glucose
Amino acids
Water
Salts

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10
Q

Which connects kidney n urinary bladder

A

Ureter

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11
Q

Urine comes out from

A

Urethra of urinary bladder

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12
Q

Artificial kidney

A

Dialysis

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13
Q

Artificial kidney contains

A

Semi permeable tubes
Suspended in isotonic dialysing fluid

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14
Q

Dialysing fluid does not have

A

Nitrogenous waste

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15
Q

What’s the major difference between kidney n artificial kidney

A

No reabsorption takes place in artificial kidney

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16
Q

How do plants excrete

A

Transpiration
Removal of O2 via photosynthesis
Removal of CO2 at night
Guttation
Storing wastes in old xylem
Gums , resins and Latex
Wilting of leaves ( tissues consisting dead cells or waste products stored in leaves )
Excrete waste in soil
Waste products stored in cellular vacuoles
Waste products stored in leaves stems and barks

17
Q

Examples of plant wastes

A

Gums of acacia
Latex of rubber tree n papaya tree
Oil of orange Jasmine n eucalyptus

18
Q

Urea waste is generated in

A

Liver

19
Q

Which organ helps to remove urea from our body

A

Kidneys

20
Q

Metabolic activities create

A

Nitrogenous waste

21
Q

Unicellular organisms mode of excretion

A

Diffusion

22
Q

Gums n resisns stored in

A

In old xylem

Biology (8 decks)

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