Exploring the Circulatory System

What is the main organ of the circulatory system?

• Liver

• Heart

• Lungs

• Kidney

Which type of blood vessel carries blood away from the heart?

• Veins

• Arteries

• Capillaries

• Venules

Which of the following is a common circulatory disorder?

• Asthma

• Hypertension

• Diabetes

• Arthritis

What is the name of the circulation that carries blood between the heart and lungs?

• Systemic circulation

• Pulmonary circulation

• Coronary circulation

• Portal circulation

Which chamber of the heart receives oxygen-poor blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

Match the blood vessel to its function: Capillaries.

• Carry blood away from the heart

• Exchange gases and nutrients with tissues

• Return blood to the heart

• Store blood

Which type of circulation supplies blood to the heart muscle itself?

• Pulmonary circulation

• Systemic circulation

• Coronary circulation

• Lymphatic circulation

A student observes that after running, their heart rate increases. What is the most likely reason for this change?

• The body needs more oxygen and nutrients delivered to muscles.

• The body is trying to cool down.

• The lungs are working less.

• The blood is moving slower.

A person has a disease that affects the red blood cells’ ability to carry oxygen. What effect might this have on their body during exercise?

• They will have more energy.

• They may feel tired quickly.

• Their heart will beat slower.

• Their blood will clot faster.

Tags

NGSS.MS-LS3-1