Exploring the Human Body

What is the primary function of the skeletal system?

• To digest food

• To produce blood cells

• To protect vital organs

• To provide movement

How do neurons communicate within the body?

• Through blood flow

• By releasing hormones

• Using electrical signals

• By physical movement

What is the main role of the heart in the circulatory system?

• To absorb nutrients

• To filter blood

• To pump blood throughout the body

• To produce red blood cells

Which organ is responsible for filtering waste from the blood to form urine?

• Kidneys

• Liver

• Lungs

• Heart

What is the primary function of the respiratory system?

• To control body temperature

• To circulate blood

• To move the body

• To exchange gases in the blood

Where does the digestion process begin?

• In the stomach

• In the small intestine

• In the esophagus

• In the mouth

Tags

NGSS.MS-LS1-7

What role does the liver play in digestion?

• It produces insulin

• It absorbs nutrients

• It filters air

• It stores and concentrates bile

Which sense is primarily responsible for taste?

• Smell

• Sight

• Hearing

• Touch

Tags

NGSS.MS-LS1-8

What part of the eye adjusts the size of the pupil?

• Cornea

• Lens

• Iris

• Retina

Which system helps maintain balance by using fluid-filled canals?

• Nervous system

• Respiratory system

• Auditory system

• Digestive system