Senses and Body Systems

What system is made mainly of bones?

• Nervous system

• Digestive system

• Skeletal system

• Respiratory system

What is the function of motor nerves?

• To send information from the body to the brain

• To send information from the brain to the body

• To help with breathing

• To provide nutrients

What makes up the central nervous system?

• Heart and lungs

• Brain and spinal cord

• Stomach and intestines

• Muscles and bones

What helps you survive by working together as a system?

• Your muscles

• Your senses

• Your bones

• Your skin

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What is the largest organ in the human body?

• Heart

• Liver

• Skin

• Brain

What happens when the skin feels intense pressure or is injured?

• The skin changes color

• Pain receptors send information to the central nervous system

• The skin becomes smoother

• The skin grows thicker

Where is the information sent from the body during a reflex action?

• To the brain

• To the heart

• To the spinal cord

• To the stomach

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What is the role of light receptors in the eye?

• To produce sound

• To reflect light

• To react to light and send signals to the brain

• To create images

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What happens to light when it hits an object?

• It disappears

• It bounces off

• It changes color

• It makes a sound

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Which part of the eye is responsible for focusing light?

• Iris

• Lens

• Retina

• Pupil