By the end of the lesson on the substrand "Components of Blood," learners should be able to:
* Identify and name the four main components of blood: Learners should be able to state that blood consists of plasma, red blood cells, white blood cells, and platelets.
* Describe the basic functions of each component of blood:
* Plasma: State that it is the liquid part of blood that carries dissolved substances.
* Red Blood Cells (Erythrocytes): Explain their role in transporting oxygen.
* White Blood Cells (Leukocytes): Describe their function in fighting infections.
* Platelets (Thrombocytes): Outline their role in blood clotting.
* State the relative proportions of the main components of blood: Learners should have a general understanding that plasma makes up the largest proportion, followed by red blood cells, with white blood cells and platelets being present in smaller amounts.
- Teacher: Admin User