Red Blood Cell Functions and Characteristics

The video tutorial covers the basics of blood, including its functions such as respiration, nutrition, and immunity. It explains the composition of blood, focusing on plasma and blood cells. Plasma is a protein-rich fluid containing nutrients, hormones, and waste. Blood cells include red blood cells, white blood cells, and platelets. The video details the structure and function of red blood cells, their role in oxygen transport, and the process of erythropoiesis. It also discusses hemoglobin, anemia, and the lifecycle of red blood cells, including their destruction and recycling.

Which of the following is NOT a function of blood?

• Thermoregulation

• Immunity

• Respiration

• Photosynthesis

What is the primary component of plasma?

• Water

• Proteins

• Glucose

• Hormones

Which protein in plasma is responsible for maintaining osmotic pressure?

• Fibrinogen

• Albumin

• Collagen

• Hemoglobin

What is the main function of red blood cells?

• Transporting oxygen

• Producing antibodies

• Clotting blood

• Fighting infections

What shape are red blood cells?

• Cuboidal

• Flat

• Biconcave discs

• Spherical

What is the role of hemoglobin in red blood cells?

• Producing hormones

• Transporting oxygen

• Clotting blood

• Fighting infections

What is the process of red blood cell production called?

• Hemostasis

• Erythropoiesis

• Leukopoiesis

• Thrombopoiesis

Which organ produces erythropoietin?

• Liver

• Heart

• Kidneys

• Lungs

How long do red blood cells typically live?

• 120 days

• 90 days

• 60 days

• 30 days

What happens to the iron from destroyed red blood cells?

• It is excreted

• It is stored in the liver

• It is reused in the bone marrow

• It is converted to bilirubin