ශරීරයේ ජල සමතුලිතතාවය සහ අයන සාන්ද්රණය පාලනය කිරීම.
Mouth (මුඛය), Esophagus (ග්රසනිකාව / अन्नනාලය), Stomach (ආමාශය), Small Intestine (කුඩා බඩවැල), Large Intestine (මහා බඩවැල), Liver (අක්මාව). human body systems in sinhala pdf top
This is an excellent repository for Grade 08 Science Unit 09: Human Organ Systems . The site offers tutorials and notes in the Sinhala medium that are free to download. These are incredibly helpful for revision and exam preparation. Small Intestine (කුඩා බඩවැල)
ආහාර බිඳ හෙළා පෝෂ්ය පදාර්ථ උරාගනී. Large Intestine (මහා බඩවැල)
ආවරණ පද්ධතිය Function: Forms the body's external covering and protects it from damage, including water loss and abrasion. It also helps regulate body temperature.