Excretion💩 Flashcards
Removal of metabolic wastes from body
Excretion
Name the waste products of respiration process
CO2, water vapour
single-celled organisms like amoeba which is AQUATIC in nature excrete waste by process of
Diffusion
In fishes excretion takes place thru
Gills, kidneys🐟🐠🐡
Organism that produce nitrogenous waste in the form of _______ is known as ammonotelic organisms
Ammonia , aquatic animals like 🐠 fish
Organisms like ________ ,___________ and __________ excrete nitrogenous waste in the form of uric acid are known as ____________ organisms
Insects, reptiles, birds
Uricotelic
Nitrogenous waste in form of urea by hoomans and mammals
Ureotelic org
Egestion
- Solid undigested food products removed
- collected in Large intestine
- expelled thru anus in form of Feaces.
Exhalation
-Gaseous waste
-CO2+ excess Water Vapour
-expelled thru lungs
Sweating
-Expelled water
-Small amounts of urea and salts
-Thru sweat glands present in skin
-Cool body
Excretion
₹ carried out mainly by urinary system
₹ water removed in form of urine
₹ 95% water. 2.5% urea. 2.5% other nitrogenous waste
₹
Normal human adult excretes about ______ litres of urine a day
1.5 - 2
Urine is stored in
Urinary bladder
Kidneys are a pair of _______- shaped organs
Bean
Kidneys are ______ in colour
Reddish brown
Kidneys are located on either side of the _______ just above the waist
Vertebral column
Kidneys have a large number of…… called nephrons
Coiled tubes
What are nephrons
Functional unit
Filtering unit-excess salts, urea, water from blood
Help form urine
Ureters are a pair of ______ like structures
Tube
Urinary bladder is a large_______ ,__________ like organ
Muscular
Bag
What is reabsorbed by kidney
Glucose
Amino acids
Salts
When blud pass kidney
Gets cleaned
Transported back to other parts
When glucose is in urine, failure to maintain sugar level in body
Diabetes mellitus
When large amounts of diluted urine passed out. Kidney not able to absorb sufficient water.
Diabetes insipidus
In case of damaged kidneys what is used
Artificial kidney or dialysing machine
What does this artificial kidney or dialysing machine do?
Used to maintain normal level of water and minerals to clean the blud of metabolic wastes.
Process is called dialysis
