What is blood, its types, and its functions?
Understand the Problem
The question is asking about the composition of blood, the different types of blood, and their functions in the body. It seeks to understand the biological and physiological aspects of blood and its roles.
Answer
Blood comprises plasma, red, white cells, platelets; types: A, B, AB, O. Functions: transport, waste removal, clotting, immune defense.
Blood is a specialized body fluid composed of plasma, red blood cells, white blood cells, and platelets. It transports oxygen and nutrients, removes wastes, and performs other functions such as clotting and immune defense. Blood types are classified based on the presence or absence of antigens and include A, B, AB, and O.
Answer for screen readers
Blood is a specialized body fluid composed of plasma, red blood cells, white blood cells, and platelets. It transports oxygen and nutrients, removes wastes, and performs other functions such as clotting and immune defense. Blood types are classified based on the presence or absence of antigens and include A, B, AB, and O.
More Information
Blood's vital role includes transporting oxygen from lungs to tissues and returning carbon dioxide from tissues to lungs, as well as delivering nutrients and hormones to cells and tissues.
Tips
A common mistake is to confuse the components of blood with its functions. Understanding the distinct roles of plasma, red and white blood cells, and platelets, is crucial.
Sources
- Blood: Components, functions, groups, and disorders - medicalnewstoday.com
- Composition of Blood and its Functions - byjus.com
- What Do Blood Cells Do? | American Red Cross - redcrossblood.org
