Circulatory system

What is the function of the circulatory system?

• Transporting glucose and gases

• Producing hormones

• Digesting food

• Regulating body temperature

What is the color of human blood?

• Red

• Yellow

• Blue

• Green

What is the function of platelets in the blood?

• Producing hormones

• Fighting infections

• Transporting oxygen

• Helping blood clot

Which component of blood is responsible for transporting gases?

• Red blood cells

• White blood cells

• Plasma

• Platelets

What is the function of coronary arteries?

• Supplying blood to the brain

• Supplying blood to the liver

• Supplying blood to the heart

• Supplying blood to the lungs

What is the role of capillaries in the circulatory system?

• Pumping blood to the heart

• Producing red blood cells

• Fighting infections

• Delivering oxygen to organs and tissues

Which chamber of the heart pumps deoxygenated blood to the lungs?

• Left ventricle

• Left atrium

• Right ventricle

• Right atrium

What is the function of valves in the heart?

• Preventing backflow of blood

• Producing hormones

• Regulating body temperature

• Fighting infections

What is the pathway of blood through the heart starting from a human toe?

• Right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, lungs, back through the pulmonary vein, left atrium, mitral valve, left ventricle, aortic valve, aorta

• Left atrium, mitral valve, left ventricle, aortic valve, aorta, lungs, back through the pulmonary vein, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery

• Right ventricle, pulmonary valve, pulmonary artery, lungs, back through the pulmonary vein, left atrium, mitral valve, left ventricle, aortic valve, aorta, right atrium, tricuspid valve

• Left ventricle, aortic valve, aorta, lungs, back through the pulmonary vein, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, left atrium, mitral valve

What can happen if there is an atrial septal defect in the heart?

• Increased heart rate

• Oxygen-rich blood mixes with oxygen-poor blood

• Decreased blood pressure

• Improved blood circulation