Question

draw a neat diagram of human excretory system and label the following ​

Answer 1

$\underline{ \rm{What \: is \: excretory \: system? }}</p><p>$

➡ The system which helps in removal of waste from the body is known as excretory system.

$\underline{ \rm{ \blue{Components \: of \: human \: excretory \: system:-}}}$

1. A Pair of kidneys

2. A pair of ureter

3. Urinary bladder

4. Urethra

$\large{ \underline \bold{ \green{1. Kidneys - }}}$

➡ They are reddish brown bean shaped structures.

➡ It is situated in between the levels of last thoracic and third lumbar vertebra close to dorsal inner wall of abdominal cavity.

➡ Each kidney is made up of millions of nephron which are the functional units.

$\large{ \underline{ \bold{ \green{2. Ureter-}}}}$

➡ There is one ureter that comes out of each kidney as an extension of the renal pelvis.

➡ It is a thin muscular tube that carries urine from the kidneys to the bladder.

$\large{ \underline{ \bold{ \green{3. Urinary \: bladder-}}}}$

➡ The bladder is a sac-like structure. And a smooth muscle layer lines it.

➡ It stores the urine until micturition.

$\large{ \underline{ \bold { \green{4. Urethra - }}}}$

➡ The urethra is a tube that arises from the urinary bladder.

➡ Its function is to expel the urine outside by micturition.