NEB NotesNepal
Unit 11 • Class 12Biology (Bio.302)

Human Circulatory and Excretory Systems

मानव रक्तसञ्चार तथा उत्सर्जन प्रणाली

Blood groups, heart anatomy, cardiac cycle, ECG, blood pressure regulation; Kidney anatomy, nephron histology, mechanism of urine formation (ultrafiltration, reabsorption, secretion), osmoregulation.