The video explains the composition and functions of blood, including its role in transporting oxygen, nutrients, and waste. It covers the components of blood: plasma, red and white blood cells, and platelets. The video also discusses blood types and their importance in transfusions, as well as the process of blood clotting. The immune function of white blood cells and the production of blood cells in bone marrow are highlighted.

What is the primary role of blood in the human body?

• To store energy

• To regulate emotions

• To distribute oxygen and nutrients

• To produce hormones

Which component of blood is responsible for maintaining osmotic pressure?

• Erythrocytes

• Leukocytes

• Globulins

• Albumin

What is the main function of hemoglobin in red blood cells?

• To regulate body temperature

• To fight infections

• To transport oxygen

• To store nutrients

Which type of white blood cell is involved in fighting parasitic worms?

• Neutrophils

• Eosinophils

• Basophils

• Lymphocytes

What is the role of platelets in the blood?

• To transport oxygen

• To fight infections

• To aid in blood clotting

• To carry nutrients

Which blood type is considered a universal donor?

• Type AB

• Type A

• Type B

• Type O

What determines the Rh factor in blood groups?

• Type of leukocytes

• Amount of hemoglobin

• Level of plasma proteins

• Presence of agglutinogens