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1 Label the parts numbered 1-5.
Answers
Explanation:
as far as I am concerned this would be the answer
Answer
1. Kidney
2. Ureter
3. Urinary bladder
4. Sphincter
5. Urethra
Kidney
They are bean shaped organs. They are reddish brown colour. They are 10-12 cm long, 5-7 cm wide and 2-3 cm thick. In human the right kidney is at lower than the left one because right side liver lobe is present.
Ureter
The ureters are 25-30 cm long,They are thick walled slender tubes. They are lined with transitional epithelium. They help in transporting urine from kidney to urinary bladder.
Urinary bladder
It is single, pyriform bag. They can contain 300 - 800 ml of urine. They are lined with stratified transitional epithelium.
Sphincter
They are circular muscles. They avoid back flow of urine.
Urethra
It is a tube emerging from urinary bladder to release urine. They have sphincter at both ends.