answers -11 Body Systems (Anatomy
& Physiology)
What is the main function of the integumentary system?
☑️☑️ It protects the body from external damage and helps regulate temperature
Which organ is the largest in the human body?
☑️☑️ The skin
What is the primary role of the skeletal system?
☑️☑️ To provide structure, support, and protection for organs
What type of tissue connects muscles to bones?
☑️☑️ Tendons
What is the function of the muscular system?
☑️☑️ To produce movement and generate heat
Which system controls voluntary actions like walking?
☑️☑️ The nervous system
What is the basic unit of the nervous system?
☑️☑️ The neuron
Which organ pumps blood throughout the body?
☑️☑️ The heart
What is the main function of the circulatory system?
☑️☑️ To transport oxygen, nutrients, and waste products
Which blood cells carry oxygen?
☑️☑️ Red blood cells
What is the primary organ of the respiratory system?
☑️☑️ The lungs
What gas do humans inhale for survival?
☑️☑️ Oxygen
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, What is the main function of the digestive system?
☑️☑️ To break down food and absorb nutrients
Where does digestion begin?
☑️☑️ In the mouth
What is the role of the liver in digestion?
☑️☑️ It produces bile to help digest fats
Which organ absorbs most nutrients?
☑️☑️ The small intestine
What is the main function of the urinary system?
☑️☑️ To remove waste and maintain fluid balance
Which organ filters blood to form urine?
☑️☑️ The kidneys
What is the role of the bladder?
☑️☑️ To store urine
Which system is responsible for hormone production?
☑️☑️ The endocrine system
What gland is known as the “master gland”?
☑️☑️ The pituitary gland
What hormone regulates blood sugar levels?
☑️☑️ Insulin
What system defends the body against infections?
☑️☑️ The immune system
Which cells fight pathogens?
☑️☑️ White blood cells
What is the function of the lymphatic system?
☑️☑️ To return fluid to the bloodstream and fight infections
Which organ filters lymph?
☑️☑️ Lymph nodes
What is the role of the reproductive system?
☑️☑️ To produce offspring
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