Blood flow and blood vessels

Which part of the heart receives deoxygenated blood from the systemic circuit?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the main function of the aorta in the human heart?

• To pump blood to the lungs

• To receive blood from the body

• To carry oxygenated blood to the body

• To carry deoxygenated blood to the heart

What is the function of the right atrium?

• To pump blood to the lungs

• To receive blood from the body

• To pump blood to the body

• To receive blood from the lungs

Which part of the heart is responsible for initiating the impulse?

• AV node

• Bundle of His

• SA node

• Purkinje fibers

What happens to the heart rate during intense physical activity?

• It decreases significantly

• It remains constant

• It increases to supply more oxygen

• It stops temporarily

What do Chemoreceptors detect in the body?

• Light intensity variations
• Chemicals such as oxygen, carbon dioxide, and pH levels.
• Temperature changes in the body
• Sound frequency levels

What is released before exercise that causes 'anticipatory rise'?

• Serotonin
• Insulin
• Cortisol
• Adrenaline

Which side of the heart is the tri-cuspid valve?

• Left side

• right side

What is the name of the vessel that takes blood to the body from the left side?

• Aorta

• Pulmonary vein

• Pulmonary Artery

• Vena cava

What is the name of the valve of the left side between the atria and the ventricle?

• Tri-cuspid valve

• Aortic valve

• Pulmonary valve

• Bi-cuspid valve