Biology Grade 5 :The Heart

What is the main function of the heart?

• To pump blood

• To solve math problems

• To fly airplanes

• To bake cookies

Which chamber of the heart receives oxygenated blood from the lungs?

• Right atrium

• Left atrium

• Lower ventricle

• Upper atrium

What is the purpose of valves in the heart?

• To regulate blood flow and prevent backflow in the heart.

• To regulate body temperature

• To produce hormones for the body

• To provide oxygen to the heart

Name the largest artery in the human body that carries oxygenated blood away from the heart.

• Femoral artery

• Pulmonary artery

• Coronary artery

• Aorta

What is the name of the upper chambers of the heart?

• Ventricles

• Atria

• Coronary arteries

• Pulmonary veins

What is the difference between oxygenated and deoxygenated blood?

• Oxygenated blood is blue, deoxygenated blood is red.

• Oxygenated blood has oxygen, deoxygenated blood has less oxygen.

• Oxygenated blood flows to the lungs, deoxygenated blood flows to the heart.

• Oxygenated blood has carbon dioxide, deoxygenated blood has oxygen.

What is the name of the lower chambers of the heart?

• valves

• ventricles

• aorta

• atriums

Which side of the heart pumps oxygenated blood to the body?

• right side

• top side

• left side

• front side

What is the role of the septum in the heart?

• The septum in the heart helps regulate blood pressure

• The septum in the heart acts as a barrier between the left and right sides of the heart.

• The septum in the heart produces hormones

• The septum in the heart is responsible for oxygenating blood

How many chambers does the human heart have?

• 8

• 6

• 4

• 2