Grade 6 Circulatory System

What are the upper chambers of the heart called?

• Arteries

• Atria

• Valves

• Ventricles

What are the lower chambers of the heart called?

• Atria

• Alveoli

• Bronchi

• Ventricles

Which blood vessels carry blood back to the heart?

• Veins

• Lymphatic vessels

• Arteries

• Capillaries

Where does the exchange of oxygen and nutrients take place in the circulatory system?

• Veins

• Capillaries

• Arteries

• Lungs

What is the main function of the circulatory system?

• Transporting oxygen, nutrients, and hormones to cells and removing waste products

• Producing red blood cells

• Regulating body temperature

• Digesting food

What type of circulatory system do humans have?

• Linear circulatory system

• Respiratory circulatory system

• Closed circulatory system

• Open circulatory system

What type of circulatory system do insects have?

• Open circulatory system

• Digestive circulatory system

• Respiratory circulatory system

• Closed circulatory system

What is the term for hearts with multiple chambers?

• polyhearted

• multicardiac

• plurichambered

• multichambered

How many chambers does a human heart have?

• 8

• 4

• 2

• 6

What is the term for the smallest blood vessels in the human body?

• Veins

• Lymphatic vessels

• Arteries

• Capillaries