Cardiovascular System Quiz

What is the primary function of the cardiovascular system?

• To digest food

• To circulate blood and transport nutrients

• To control body temperature

• To produce hormones

Which part of the heart is responsible for oxygenating blood?

• Left atrium

• Right ventricle

• Left ventricle

• Right atrium

What is the role of the septum in the heart?

• To pump blood

• To divide the heart into two sides

• To regulate heart rate

• To store oxygen

Which blood vessels carry blood away from the heart?

• Arteries

• Capillaries

• Veins

• Venules

What is the main component of plasma?

• Salts

• Glucose

• Water

• Proteins

Which type of blood cell is responsible for oxygen transport?

• Erythrocytes

• Lymphocytes

• Thrombocytes

• Leukocytes

What is the function of the SA node in the heart?

• To store blood

• To filter blood

• To act as the heart's pacemaker

• To pump blood

How does the heart continue to function if the nervous system is damaged?

• It has its own electrical system

• It relies on external support

• It uses the brain's signals

• It stops functioning

What is the primary purpose of the cardiovascular system recap?

• To explain the nervous system

• To discuss diseases

• To summarize the system's functions

• To introduce new concepts

What is a major cause of early death related to the heart?

• Lung disease

• Liver disease

• Heart failure

• Kidney failure