9 Questions
What is the main function of white blood cells (WBCs)?
Defend the body against infections
What is the lifespan of red blood cells (RBCs)?
About 120 days
How does haemoglobin in red blood cells help in the body?
Transport oxygen from the lungs to the cells
How do white blood cells (WBCs) fight against infections?
By ingesting disease-causing micro-organisms
Where are platelets produced in the body?
Bone marrow
What is the composition of plasma in the blood?
About 90% water, minerals, waste products, digested food, enzymes, gases, blood proteins
How do white blood cells (WBCs) move within the body?
They can change shape and move on their own
What gives blood its red color?
Haemoglobin
What separates out when blood is left in a test tube for some time?
Plasma and a dark red mass of cells
Test your knowledge on blood cells and plasma composition in human beings. Learn about types of blood cells, the structure of plasma, and the functions of white blood cells. Explore the components found in the plasma like minerals, waste products, enzymes, and proteins.
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