Excretory Sytem Flashcards

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1
Q

What is excretion

A

The process by which waste materials are removed from cells

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2
Q

Why is build up of waste dangerous

A

Since tissues filled with waste cannot absorb food. Or oxygen

If not emptied, this can cause fever, coma, or death.

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3
Q

How is waste released

A

Each cell releases its waste material into the blood stream
Blood carries waste two extratory organs( kidney)where they are removed and excreted

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4
Q

Why is excess salt bad

A

Too much salt makes intercellier space jaw water from surrounding cells, causing dehydration

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5
Q

What is the kidney

A

A bean shaped organ the size of a fist
Each kidney has about 1.25 million tiny filters. Call neffrons which remove waste from the blood

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6
Q

How is waste move

A

The first phase is filtration and blood vessels, which are next to neffron force water, salts, urea minerals, and some new nutrients into a collecting tube. (Bowman capsule)

Second phase is reabsorption.
95% of the water is reasorbed along with the necessary amount of salt, minerals, and nutrients.
Access materials are left in the turbulent and are moved through the ureter to bladder

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7
Q

What is urine

A

Excess urea, water, and salts
That accumulate in the bladder

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8
Q

The process of the Neffron

A

Waste comes in through an artery an into the glomerulus.
Filter is pushed into the Bowman capsule and go down the turbulent.
Around the loop of Henle while capillaries re Absorbed useful materials.
Then go to ureter

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9
Q

Cortex

A

The first third of kindey

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10
Q

Medulla

A

2 thirds of kindergarten. Introverted bits

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11
Q

Artery and vein of kindey

A

Renal

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12
Q

Pelvis

A

Big space in middle

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