Circulatory system

During a biology class, Priya learned that there are three types of blood vessels: arteries, capillaries and .....

Name the system the heart is part of.

• circulatory

• digestive

• excretory

• nervous

During a biology class, Elsie asked how many ventricles are in the human heart?

• 1

• 2

• 3

• 4

Select the correct label for G.

• Right ventricle.

• Left ventricle.

• Right atrium.

• Left atrium.

During a biology class, Kiara asked the teacher about the primary function of the heart. What did the teacher say?

• To digest food

• To pump blood

• To filter waste

• To control body temperature

Once the blood gets oxygen from the lungs it is called ....

During a biology class, Chloe learned about the human body. Her teacher asked, "Which organ is responsible for removing the waste carbon dioxide from the body?"

• Stomach

• Heart

• Lungs

• Brain

What is the role of the valves in the heart?

• To pump blood

• To prevent backflow of blood

• To filter blood

• To oxygenate blood

During a biology class, Isabella asked if our heart beat is voluntary or involuntary. Can we control it or not?

• voluntary

• involuntary

During a biology class, Ava asked her teacher about the smallest blood vessels in the human body. The teacher explained that the smallest blood vessels are called ....