Major Organs Working Together

This organ is the control center of the body.

• Lungs

• Brain

• Heart

The ________ is the hardest working muscle of the body.

• brain

• lungs

• heart

This is a bean-shaped organ that filters the blood of wastes.

• kidneys

• lungs

• heart

This is the framework of the body.

• Digestive system

• muscular system

• skeletal system

The ____________ enables the body to move.

• Muscular system

• Digestive system

• Respiratory system

This is responsible in getting oxygen and giving off carbon dioxide.

• Digestive system

• Respiratory system

• Skeletal system

The _____________system distributes the nutrients to the body.

• Circulatory

• Respiratory

• Muscular

This is the temporary storage of urine.

• stomach

• small intestine

• Urinary bladder

It eliminates solid waste that the body does not need.

• Digestive system

• Skeletal system

• muscular system

kind of gas that humans need in order to stay alive.

• carbon dioxide

• oxygen

• carbon monoxide