human body
What is the largest organ in the human body?
Skin
Which part of the body is responsible for pumping blood?
Heart
What is the main function of the respiratory system?
Breathing
What is the largest bone in the human body?
Femur
Which organ is responsible for filtering waste from the blood?
Kidney
What is the body's main source of energy?
Carbohydrates
Which body system is responsible for supporting and protecting the body?
Skeletal system
What is the purpose of the immune system?
Fighting infections
Which gland in the body regulates metabolism?
Thyroid gland
What is the purpose of the nervous system?
Controlling movement and coordination