Circulatory Quiz

What is the primary function of the circulatory system?

• To transport nutrients and oxygen to cells

• To produce hormones

• To digest food

• To control body temperature

What are the main components of the circulatory system?

• Heart, lungs, kidneys

• Heart, blood, blood vessels

• Heart, stomach, veins

• Heart, muscles, arteries

Which type of blood vessel is primarily responsible for the direct exchange of substances between tissues and blood?

• Arteries

• Veins

• Capillaries

• Venules

What is the heart primarily made of?

• Muscle tissue

• Cardiac tissue

• Bone tissue

• Nervous tissue

How many chambers does the heart have?

• Two

• Four

• Six

• Eight

Which side of the heart contains oxygen-rich blood?

• Right side

• Left side

• Both sides

• Neither side

What are the upper chambers of the heart called?

• Ventricles

• Atria

• Valves

• Arteries

What type of blood does the right ventricle contain?

• Oxygen-rich

• Oxygen-poor

• No blood

• Mixed oxygen levels

What is the function of the flaps in the heart between the upper and lower chambers?

• To pump blood to the lungs

• To prevent blood from going backwards

• To supply oxygen to the heart

• To absorb nutrients from the blood

Which organs does blood help in transferring waste to for excretion?

• Heart and stomach

• Kidneys and lungs

• Liver and spleen

• Pancreas and gallbladder