Exploring the Circulatory and Respiratory Systems

What is formed when many cells of the same type work together?

• Organ

• Tissue

• System

• Molecule

Tags

NGSS.MS-LS1-3

Which of the following is an example of an organ?

• Bone

• Muscle

• Heart

• Skin

What is the primary function of the circulatory system?

• To digest food

• To transport oxygen, nutrients, and waste products

• To control body movements

• To protect the body from infections

What is the main organ of the circulatory system?

• Heart

• Brain

• Stomach

• Lungs

What are the upper chambers of the heart called?

• Ventricles

• Atria

• Capillaries

• Arteries

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

• Bronchioles

• Arteries

• Capillaries

• Veins

What is the function of capillaries in the circulatory system?

• To carry blood back to the heart

• To store blood

• To carry blood away from the heart

• To facilitate the exchange of oxygen and carbon dioxide

What is the main organ of the respiratory system?

• Brain

• Stomach

• Lungs

• Heart

What is the function of the diaphragm in the respiratory system?

• To help with breathing

• To store oxygen

• To filter air

• To pump blood

Where does the exchange of oxygen and carbon dioxide occur in the lungs?

• Trachea

• Diaphragm

• Bronchi

• Alveoli