Which organ is the body's largest?
Skin
Which system includes the brain, spinal cord, and nerves?
Nervous System
Which system includes the lungs, trachea, and diaphragm?
Respiratory system
What organ removes toxins from the blood?
Liver
Which animal has three hearts?
Octopus
Which organ can be donated by a living person?
Kidney
Which system defends the body against germs and infections?
Immune System
Which system allows movement through contraction and relaxation of tissues?
Muscular System
What is this?
Knee
What organ breaks down sugar and regulates blood sugar levels?
Pancreas
What is this?
Spinal Cord
What organ do we use to taste food?
Tongue
What organ helps us see?
Eyes
What is this?
Intestines
Which organ controls the body and sends signals to the rest of the body?
Brain
Which organ helps us breathe?
Lungs
What is the largest internal organ in the human body?
Liver
Which organ helps us hear?
Ears
Which system provides structure and support to the body?
Skeletal System
What organ processes the food we eat?
Stomach
Which system includes the stomach, intestines, and pancreas?
Digestive System
What organ is responsible for filtering blood and producing urine?
Kidneys
Which system includes the heart and blood vessels?
Circulatory system
Which organ pumps blood throughout the body?
Heart