(2) Explain the structure and functions of human blood.
Ans.
Answers
Answer:
The cell is flexible and assumes a bell shape as it passes through extremely small blood vessels. It is covered with a membrane composed of lipids and proteins, lacks a nucleus, and contains hemoglobin—a red iron-rich protein that binds oxygen.
Blood is fluid in the body. It has four components-plasma, red blood cells, white blood cells and platelets. It has the function of transporting oxygen and nutrients throughout the body. The blood flows through veins, arteries and capillaries.
Functions of the Blood: 8 Facts about Blood
Blood Is Fluid Connective Tissue. ...
Blood Provides the Body's Cells with Oxygen and Removes Carbon Dioxide. ...
Blood Transports Nutrients and Hormones. ...
Blood Regulates Body Temperature. ...
Platelets Clot Blood at Sites of Injury. ...
Blood Brings Waste Products to the Kidneys and Liver.
Explanation:
it has main four components , plasma , red blood cells , white blood cells and platelets . blood has many different functions . including transporting oxygen and nutrients to the lungs and tissues bringing waste products to liver and kidney which filter and cleans the blood
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