Cardiovascular system

Which of the following are the blood vessels that helps blood flow to the heart?

• Arteries

• Capillaries

• Veins

Which of the following are the blood vessels that have a wall that is 1 cell thick?

• Arteries

• Capillaries

• Veins

Which of the following are the blood vessels that have the thickest walls?

• Arteries

• Capillaries

• Veins

What is the name of the circulation between the heart and lungs?

• Systemic

• Pulmonary

• Coronary

• Hepatic

Blood enters the heart at the ....

• Left Atrium
• Right Ventricle
• Left Ventricle

What is the name of the part labelled 3?

• Left Atrium

• Right Ventricle

• Left Ventricle

• Right Atrium

What is the function of a valve?

• Keeps blood flowing in one direction

• Keeps blood flowing in all directions

• Stops blood from flowing

• Keeps blood flowing in one direction

How many chambers does the heart have ?

• 3

• 6

• 1

• 4

Which part of the heart pumps deoxygenated (oxygen-poor) blood?

• Top side (atriums)

• Right side

• Bottom side (ventricles)

• Left side

Oxygen-poor blood arrives to the heart from the the body via the _____.

• superior and inferior vena cava

• pulmonary arteries

• pulmonary veins

• aorta