EXCRETORY SYSTEM,KIDNEY,PHYSIOLOGY

2. • Excretion is the process by which
waste products are removed from
the body
• Waste products are formed as a
result of anabolism and catabolism
• The organs which involves in
excretory function are excretory
organs

5. ORGAN WASTE PRODUCTS
INTESTINE BILE PIGMENT
LUNGS CARBON DIOXIDE
SKIN WATER&SALT(SWEAT)
KIDNEY WATER&SALT(URINE)

9. KIDNEY
• They are bean shaped paired organs
• Situated behind vertebral column
• Weight:
• Width-6cm
• Thickness-3cm
• Length of kidney-10cm(approx)
• Size increases with increase in length by 1 cm
Adult male 150 gms
Adult female 135 gms
Birth 20-25 gms

11. Kidney
• It is covered by a thin,strong,fibrous capsule
• Usually right kidney is slightly smaller than
the left
• A deep notch or concavity is present in the
medial border-the hilus
• Through hilus-the blood vessels,ureters and
nerves pass
• Kidney is composed of cortex and medulla

13. Summarise
What is excretion?
Excretion is the process by which waste
products are removed from the body
Name the accessory excretory organs:
Liver,Lung and Skin
Which is the chief organ in the main channels
of excretion?
Kidney

14. Complete
Kidney is located in the thoracic to lumbar
segment
12th, 3rd
Thickness of kidney
3 cm