Answer
360.3k+ views
Hint: The human excretory system includes all the organs that are involved in the elimination of wastes from the body.The above picture depicts human urinary system which consists of a pair of kidneys, one pair of ureters, a urinary bladder and a urethra.
Complete answer:
(a) Labelling of the parts
1- Inferior vena cava
2. Descending aorta
3. Renal artery
4. Kidney
5. Ureter
6. Urinary bladder
7. Urethra
(b) Renal pelvis is the part of the kidney which is connected to the ureter.
(c) Renal vein is the blood vessel that is taking blood away from kidneys after removal of nitrogenous wastes.
(d) Renal artery is the blood vessel that brings nitrogenous wastes to the kidneys for removal.
(e) Nephrons are located in the kidney.
Additional information:
Kidneys are the main organs of the human excretory system.Every individual has a pair of
Kidneys.It is divided into three regions: Renal Cortex, Renal medulla and Renal pelvis.
There is one ureter which comes out of each kidney as an extension of the renal pelvis.It is a
thin muscular tube that carries urine from the kidney to the urinary bladder.
Urinary bladder is a sac like structure lined by smooth muscles that stores urine until
micturition.
Urethra is a tube arising from the urinary bladder that expels urine outside the body.
Note:
Skin, lungs, liver, large intestine and kidneys together make up the excretory system. These organs excrete wastes from the body in the form of sweat, carbon dioxide, bilirubin, faeces and urine respectively.
Complete answer:
(a) Labelling of the parts
1- Inferior vena cava
2. Descending aorta
3. Renal artery
4. Kidney
5. Ureter
6. Urinary bladder
7. Urethra
(b) Renal pelvis is the part of the kidney which is connected to the ureter.
(c) Renal vein is the blood vessel that is taking blood away from kidneys after removal of nitrogenous wastes.
(d) Renal artery is the blood vessel that brings nitrogenous wastes to the kidneys for removal.
(e) Nephrons are located in the kidney.
Additional information:
Kidneys are the main organs of the human excretory system.Every individual has a pair of
Kidneys.It is divided into three regions: Renal Cortex, Renal medulla and Renal pelvis.
There is one ureter which comes out of each kidney as an extension of the renal pelvis.It is a
thin muscular tube that carries urine from the kidney to the urinary bladder.
Urinary bladder is a sac like structure lined by smooth muscles that stores urine until
micturition.
Urethra is a tube arising from the urinary bladder that expels urine outside the body.
Note:
Skin, lungs, liver, large intestine and kidneys together make up the excretory system. These organs excrete wastes from the body in the form of sweat, carbon dioxide, bilirubin, faeces and urine respectively.
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