Explore Body Systems

What do we breathe in and out?

• Nitrogen in, oxygen out.

• Carbon monoxide in, nitrogen out.

• Hydrogen in, methane out.

• Oxygen in, carbon dioxide out.

What is the main organ of the respiratory system?

• trachea

• lungs

• diaphragm

• heart

How does oxygen get to our blood?

• Oxygen is transported by the heart from the stomach.

• Oxygen enters the blood through the kidneys.

• Oxygen is absorbed directly through the skin.

• Oxygen gets to our blood through the lungs via diffusion in the alveoli.

What part of the nervous system controls our movements?

• Autonomic nervous system

• Central nervous system

• Somatic nervous system

• Peripheral nervous system

What is the brain responsible for?

• The brain is solely responsible for muscle growth and repair.

• The brain is responsible for processing information and controlling bodily functions.

• The brain controls the weather and climate changes.

• The brain is responsible for digestion and nutrient absorption.

What do nerves do in our body?

• Nerves filter toxins from the blood.

• Nerves store energy for muscle movement.

• Nerves produce hormones for growth.

• Nerves transmit signals for communication and coordination in the body.

What is the first step in digestion?

• Absorbing nutrients in the intestines.

• Swallowing food whole.

• Chewing food in the mouth.

• Breaking down food with stomach acids.

What do we call the food we eat after it is chewed?

• Bolus

• Chyme

• Digestive paste

• Masticated food

Where does most digestion happen in our body?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What helps our body use sugar?

• Glucose

• Insulin

• Cholesterol

• Adrenaline