The organ system is a group of organs that work together to perform specific functions within the body. There are several organ systems in the human body, including:
1. Circulatory System: Composed of the heart, blood vessels, and blood, it transports oxygen, nutrients, hormones, and waste products throughout the body.
2. Respiratory System: Consists of the lungs, trachea, and respiratory muscles, it is responsible for the exchange of oxygen and carbon dioxide between the body and the environment.
3. Digestive System: Includes organs such as the mouth, esophagus, stomach, intestines, and liver, it processes food, absorbs nutrients, and eliminates waste.
4. Musculoskeletal System: Comprises the bones, muscles, tendons, and ligaments, it supports the body, allows movement, and protects vital organs.
5. Nervous System: Made up of the brain, spinal cord, and nerves, it controls body functions, receives sensory information, and allows for conscious thought and behavior.
6. Endocrine System: Consists of glands such as the pituitary, thyroid, and adrenal glands, it regulates body functions through the release of hormones.
7. Urinary System: Includes the kidneys, ureters, bladder, and urethra, it filters waste products from the blood, maintains electrolyte balance, and regulates fluid levels in the body.
8. Reproductive System: Differs between males and females but is responsible for the production and maturation of sex cells (sperm and eggs) and the process of reproduction.
9. Integumentary System: Composed of the skin, hair, and nails, it protects the body from the external environment, regulates temperature, and contributes to sensory perception.
10. Lymphatic and Immune System: Consists of lymph nodes, lymphatic vessels, and white blood cells, it defends the body against pathogens and helps maintain fluid balance.
These systems work together to maintain homeostasis, coordinating their functions to ensure the body's overall health and survival.
Organ system
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