The Circulatory System Quiz

The ______________ is the main organ of the circulatory system that pumps blood.

______________ carry oxygen-rich blood away from the heart to the body's tissues.

The smallest blood vessels that give oxygen to body parts and remove away carbon dioxide are called ______________.

______________ transport blood from the body back to the heart.

The heart consists of 2 sides are______________.

• left only

• right only

• both of them

Which of the following is NOT a component of the circulatory system?

• Heart

• Lungs

• Blood vessels

• Blood

What is the main function of heart?

• carrying blood

• produce blood

• pumping blood

• all of them

Which type of blood vessel has the thickest walls?

• Arteries

• Veins

• Capillaries

• Lymph vessels

…………………………is beat felt under skin after pumping blood out of heart

• heartbeat

• blood circulation

• pulse

• heart contraction

What is the average resting heart rate for a healthy adult?

• 40-50 beats per minute

• 90-100 beats per minute

• 120-140 beats per minute

• 150-180 beats per minute