The Human Body: Grade 6

What is the main function of the nervous system?

• Digest food

• Produce hormones

• Regulate body temperature

• Transmit signals between different parts of the body

Which organ is responsible for breaking down food in the digestive system?

• Brain

• Kidney

• Lung

• Stomach

What is the main job of the respiratory system?

• Help with breathing

• Control body temperature

• Carry nutrients

• Make hormones

What is the main function of the cardiovascular system?

• Circulate blood, oxygen, and nutrients throughout the body and remove waste products.

• Store energy

• Produce hormones

• Regulate body temperature

Which part of the nervous system controls voluntary movements?

• Autonomic nervous system

• Peripheral nervous system

• Somatic nervous system

• Central nervous system

What is the function of the small intestine in the digestive system?

• Filtering waste from the blood

• Producing bile for digestion

• Regulating blood sugar

• Absorbing nutrients and transferring them to the bloodstream

Where does gas exchange take place in the respiratory system?

• Alveoli

• Diaphragm

• Bronchioles

• Trachea

What does the heart do in the body?

• Makes hormones

• Helps with digestion

• Pumps blood around the body

• Regulates body temperature

Which part of the nervous system is responsible for involuntary actions like breathing and heart rate?

• Somatic nervous system

• Peripheral nervous system

• Central nervous system

• Autonomic nervous system

What does the liver do in the digestive system?

• The liver produces bile to help break down fats and detoxify chemicals.

• The liver produces saliva to aid in digestion.

• The liver absorbs nutrients from the small intestine.

• The liver produces insulin to regulate blood sugar levels.