The human body consists of several systems, each with specific functions:
Skeletal System: Provides structure, support, and protection to the body.
Muscular System: Allows movement and provides support for posture.
Nervous System: Controls bodily functions and responds to stimuli.
Cardiovascular System: Circulates blood throughout the body.
Respiratory System: Facilitates breathing and exchange of gases.
Digestive System: Processes food and absorbs nutrients.
Endocrine System: Regulates hormones and metabolism.
Immune System: Defends against disease and infection.
Reproductive System: Responsible for reproduction.