Circulatory System Video

What is the primary function of the circulatory system?

• To produce hormones for growth

• To transport oxygen and nutrients and remove waste

• To break down food into energy

• To fight off infections and diseases

What is the role of hemoglobin in red blood cells?

• To fight off bacteria

• To clot blood when injured

• To transport oxygen and carbon dioxide

• To produce new blood cells

What are the two main circuits that make up the double circulatory system?

• Arterial and Venous circuits

• Upper and Lower body circuits

• Pulmonary and Systemic circuits

• Oxygenated and Deoxygenated circuits

Why does blood flow slow down significantly in the capillaries?

• To allow the heart to rest

• To prevent blood clots

• To facilitate efficient gas exchange

• To increase blood pressure