Human Body Systems

When your arm is stretched out, your triceps are contracted and your biceps are relaxed. What happens when you bend your arm?

• Triceps relaxed. Biceps relaxed.

• Triceps relaxed. Biceps contracted.

• Triceps contracted. Biceps relaxed.

• Triceps contracted. Biceps contracted.

Which sense organ picks up light waves?

• eye

• ear

• skin

• brain

What is your largest organ?

• liver

• small intestine

• large intestine

• skin

Sensory organs gather information that is sent to the control center of the body called the

• brain

• eye

• spine

• ear

Which human body system is shown?

• digestive system

• respiratory system

• excretory system

• circulatory system

Which body system transports needed materials to cells and carries cell wastes away from cells?

• circulatory system

• digestive system

• excretory system

• nervous system

Which organ system has a similar function to the exoskeleton of an insect?

• nervous system

• respiratory system

• skeletal system

• circulatory system

Which organ removes wastes from the blood?

• heart

• stomach

• large intestine

• kidney

The eyes, ears, nose, tongue, and skin are

• the nervous system

• the spinal cord

• sensory organs

• reflexes

Which human body system removes waste from the human body?

• nervous system

• excretory system

• digestive system

• circulatory system