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GR9Finished Studying5 Science > The Excretory System > Flashcards

The Excretory System Flashcards

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1
Q

What does the excretory system do?

A

It removes water, urea, carbon dioxide and salts.

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2
Q

How does the urinary system remove waste? (Name 3 things)

A

1-sweating
2-breathing
3-urinating

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3
Q

What’s another word for the excretory system?

A

The urinary system.

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4
Q

What is the excretory system responsible for?

A

Ridding the body of any cellular waste.

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5
Q

What is the purpose for the excretory system?

A

To filter the blood.

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6
Q

When is the nitrogenous waste produced?

A

During cellular respiration.

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7
Q

The excretory system creates what after it excretes the nitrogenous waste? (Name 2 things)

A

1-water

2-carbon dioxide

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8
Q

What is the excretory system responsible for? (Name 4 things)

A

1-the filtration of the blood
2-the elimination of urea
3-the elimination of any other nitrogenous waste
4-the elimination of extra matter such as salts and water

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9
Q

What are the main parts of the excretory system? (Name 4 things)

A

1-the kidneys
2-the bladder
3-the urethra
4-the ureters

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10
Q

How many kidneys do we have?

A

2.

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11
Q

Where are your kidneys?

A

On the arteries side of your body.

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12
Q

How big are kidneys?

A

They’re about the size of a computer mouse.

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13
Q

Where does blood enter the kidney?

A

Through the renal artery.

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14
Q

What are kidneys mostly made up of?

A

Nephrons.

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15
Q

What are the jobs of the kidneys?

A

To filter the blood.

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16
Q

What is diffusion?

A

It’s from high concentration to low concentration.

17
Q

What does the renal artery do?

A

It transports blood to the kidney.

18
Q

What does the renal artery remove from the blood? (Name 2 things)

A

1-water

2-waste

19
Q

What does the renal vein do?

A

It transports blood back to the circulatory system.

20
Q

What is the bladder?

A

A sac.

21
Q

What does the bladder do?

A

It holds the urine until it’s peed out.

22
Q

What is the urethra?

A

The tube that carries the pee out of your body.

23
Q

What is the ureter?

A

It’s the tubes that connect the kidneys to the bladder. It’s what allows the whole peeing process.

24
Q

Where are nephrons?

A

In the cortex/medulla of the kidneys.

25
Q

What do nephrons do? How?

A

They remove waste and water from the blood through diffusion.

26
Q

What do nephrons produce?

A

Urine.

27
Q

How many approx nephrons are there in each kidney?

A

About a million.

28
Q

What can happen if you don’t pee, breathe, sweat, etc, enough in a day?

A

It can build up salts crystals in the kidneys,(kidney stones).

29
Q

What is urine made of? (Name 4 things)

A

1-water
2-urea
3-Uric acid
4-salts/electrolytes

GR9Finished Studying5 Science (9 decks)

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