What is the main function of the circulatory system?

• Store red blood cells

• Filter the blood

• Produce hormones

• Transport oxygen and nutrients

How many chambers does the human heart have?

• Six

• Four

• Five

• Three

What type of blood is transported to the lungs in pulmonary circulation?

• Blood with waste

• Nutrient-rich blood

• Deoxygenated blood

• Oxygenated blood

What component of the circulatory system helps in blood coagulation?

• Plasma

• Red blood cells

• White blood cells

• Platelets

What is hypertension?

• High blood pressure

• Low blood pressure

• Bleeding condition

• Infection condition

What is the organ that helps mature T lymphocytes?

• Lymph nodes

• Spleen

• Thymus

• Bone marrow

What type of cells are lymphocytes?

• Epithelial cells

• Stem cells

• Red cells

• White cells

What is lymphedema?

• Accumulation of lymph

• Bacterial infection

• Cancer of the lymphatic system

• Inflammation of the lymph nodes

What is the function of antibodies in the immune system?

• Protect against invaders

• Destroy red blood cells

• Filter the blood

• Transport oxygen

What type of treatment is used for leukemia?

• Immunotherapy

• Physiotherapy

• Chemotherapy

• Antibiotics