Excretory System. What does the blood carry away from body cells? 1. Oxygen & waste 2. Carbon...
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Transcript of Excretory System. What does the blood carry away from body cells? 1. Oxygen & waste 2. Carbon...
![Page 1: Excretory System. What does the blood carry away from body cells? 1. Oxygen & waste 2. Carbon dioxide & waste 3. Carbon dioxide & nutrients 4. Oxygen.](https://reader031.fdocuments.us/reader031/viewer/2022013101/56649f135503460f94c27b62/html5/thumbnails/1.jpg)
Excretory Excretory
SystemSystem
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What does the blood carry What does the blood carry away from body cells?away from body cells?
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1.1. Oxygen & wasteOxygen & waste
2.2. Carbon dioxide Carbon dioxide & waste& waste
3.3. Carbon dioxide Carbon dioxide & nutrients& nutrients
4.4. Oxygen & Oxygen & nutrientsnutrients
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Functions of Excretory Functions of Excretory SystemSystem
• Rids blood of Rids blood of
wasteswastes ( (ureaurea))
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Functions of Excretory Functions of Excretory SystemSystem
• Rids blood of Rids blood of
wasteswastes ( (ureaurea))
• Controls blood Controls blood
volume by removing volume by removing
extra extra waterwater
produced by produced by cellscells
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Functions of Excretory Functions of Excretory SystemSystem• Rids blood of Rids blood of
wasteswastes ( (ureaurea))• Controls blood Controls blood
volume by removing volume by removing extra extra waterwater produced by produced by cellscells
• BalancesBalances salts salts and and waterwater so cells can function properly so cells can function properly
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Organs of the Excretory Organs of the Excretory SystemSystem• Renal ArteryRenal Artery = =
carries blood carries blood intointo the kidneythe kidney
• Renal VeinRenal Vein = = carries blood carries blood out out ofof the kidney the kidney
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Organs of the Excretory Organs of the Excretory SystemSystem
• KidneysKidneys = filter = filter
bloodblood that has that has
collected collected wasteswastes
from cellsfrom cells
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Organs of the Excretory Organs of the Excretory SystemSystem• KidneysKidneys = filter = filter
bloodblood that has that has collected collected wasteswastes from cellsfrom cells– NephronsNephrons = filters = filters
inside the kidneysinside the kidneys– Produce Produce urineurine
(sterile waste fluid, (sterile waste fluid, 96%96% water) water)
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Which is not a function of the Which is not a function of the excretory system?excretory system?
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1.1. Removes wastes Removes wastes from the bloodfrom the blood
2.2. Removes excess Removes excess water from the water from the bloodblood
3.3. Removes carbon Removes carbon dioxide from the dioxide from the bloodblood
4.4. Removes excess Removes excess salt from the bloodsalt from the blood
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What is this structure?What is this structure?
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1.1. KidneyKidney
2.2. Renal Renal arteryartery
3.3. Renal Renal veinvein
4.4. NephroNephronn
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What does the renal vein What does the renal vein carry?carry?
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1.1. Blood containing Blood containing waste into the waste into the kidneyskidneys
2.2. Blood containing Blood containing waste back to the waste back to the bodybody
3.3. Clean blood into Clean blood into the kidneysthe kidneys
4.4. Clean blood back Clean blood back to the bodyto the body
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What is urine mostly made What is urine mostly made of?of?
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1.1. WaterWater
2.2. UreaUrea
3.3. SaltSalt
4.4. BloodBlood
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Organs of the Excretory Organs of the Excretory SystemSystem
• UretersUreters = tubes that = tubes that
lead from each lead from each kidneykidney
to to bladderbladder
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Organs of the Excretory Organs of the Excretory SystemSystem
• Urinary bladderUrinary bladder = =
muscular organ that muscular organ that
holds holds urineurine
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Organs of the Excretory Organs of the Excretory SystemSystem
• UrethraUrethra = tube that = tube that
carries urine from the carries urine from the
bladder bladder out of the out of the
bodybody
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What are the tubes that What are the tubes that connect the kidneys to the connect the kidneys to the bladder called?bladder called?
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1.1. NephronsNephrons
2.2. ArteriesArteries
3.3. UrethrasUrethras
4.4. Ureters Ureters
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What is this structure?What is this structure?
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1.1. UreterUreter
2.2. UrineUrine
3.3. BladderBladder
4.4. UrethraUrethra
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Where is urine stored until the Where is urine stored until the body is ready to eliminate it?body is ready to eliminate it?
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1.1. KidneysKidneys
2.2. UretersUreters
3.3. BladderBladder
4.4. Urethra Urethra
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Other Excretory OrgansOther Excretory Organs
• SkinSkin = releases = releases
perspirationperspiration (water (water
& salts) to & salts) to cool offcool off
bodybody
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Other Excretory OrgansOther Excretory Organs
• LungsLungs = release = release carbon dioxidecarbon dioxide from the bodyfrom the body
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Which statement is true about Which statement is true about excreted substances?excreted substances?
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1.1. Water can only be Water can only be removed by the removed by the kidneys.kidneys.
2.2. Excess salt can be Excess salt can be removed by the removed by the kidneys & skin.kidneys & skin.
3.3. Blood carries all waste Blood carries all waste products to the lungs products to the lungs to be removed from to be removed from the body.the body.
4.4. Carbon dioxide can be Carbon dioxide can be excreted by the skin.excreted by the skin.
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Which system does not include Which system does not include an excretory organ?an excretory organ?
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1.1. Excretory Excretory systemsystem
2.2. Integumentary Integumentary systemsystem
3.3. Cardiovascular Cardiovascular systemsystem
4.4. Respiratory Respiratory systemsystem
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