Remedial Biology
Unit 2 Notes
1. Body fluids and circulation
Composition of blood, blood groups, coagulation of blood
Composition and functions of lymph
Human circulatory system
Structure of human heart and blood vessels
Cardiac cycle, cardiac output and ECG
2. Digestion and Absorption
Human alimentary canal and digestive glands
Role of digestive enzymes
Digestion, absorption and assimilation of digested food
3. Breathing and respiration
Human respiratory system
Mechanism of breathing and its regulation
Exchange of gases, transport of gases and regulation of respiration
Respiratory volumes
