Human Body Structure and Function

The human body needs energy to carry out its functions. The body gets the energy it needs by breaking down food. Which organ plays the greatest role in breaking down food?

• Bladder

• Small intestine

• Large intestine

• Lungs

Which organ of the digestive system mashes food and mixes it with acid?

• Liver

• Stomach

• Small intestine

• Large intestine

A group of students are exploring a cave. Their flashlight’s battery runs out of power, so they must wait for another group of explorers to catch up with them. In the meantime, which of their senses has become nearly useless?

• Hearing

• Sight

• Smell

• Touch

The human body receives sensory information from its surroundings. Which organ processes the sensory information the body receives and is the control center of the entire body?

• Brain

• Heart

• Skin

• Stomach

Humans are able to walk upright and have support from within. What inside the human body allows us to have support and protects some of our organs?

• Heart

• Skin

• Muscles

• Skeleton