Human Body

Which system is the heart in?

• Circulatory
• Digestive
• Cardiovascular

Which system are the lungs in?

• respiratory
• digestive
• excretory

Which system is the stomach in?

• respiratory
• digestive
• nervous

Which system is the esophagus in?

• digestive
• urinary
• integumentary

What blood vessels take blood away from the heart after oxygen is addels

• veins
• arteries
• capillaries

which organ is not part of the respiratory system?

• nose
• pancreas
• trachea

Where does digestion start?

• stomach
• mouth
• esophagus

What is the main job of the digestive system?

• break down foods into nutrients that can be used by the body 
• take in oxygen and exhale waste like caron dioxide
• pump blood throughout the body

What is the largest organ?

• _Heart
• Lungs
• Skin

Which muscles are attached to bones and provide assistance for movement?

• skeletal
• smooth
• cardiac