The digestive system comprises the mouth, esophagus, stomach, intestines, and accessory organs (e.g., liver, pancreas).
The circulatory system is composed of the heart, blood vessels, and blood.
The immune system is composed of white blood cells, lymph nodes, and the spleen.
The respiratory system facilitates the exchange of oxygen and carbon dioxide between the body and the environment.
The integumentary system includes the skin, hair, and nails.
The nervous system controls and coordinates body activities by transmitting signals between different parts of the body.
The reproductive system involves organs such as the ovaries, testes, uterus, and prostate.
The circulatory system is responsible for transporting nutrients, gases, hormones, and waste products throughout the body.
The immune system protects the body against infections and diseases.
Homeostasis is the ability of the body to maintain a stable internal environment despite external changes.
The human system encompasses various interconnected systems that work together to maintain homeostasis and support life.
The endocrine system regulates various bodily functions, including metabolism, growth, and mood.
The nervous system consists of the brain, spinal cord, and nerves.
The integumentary system acts as a barrier to protect the body from external harm and regulates temperature.
The musculoskeletal system provides structure, support, and movement to the body.
The musculoskeletal system includes bones, muscles, tendons, and ligaments.
Metabolism is the sum of all chemical reactions that occur within the body to maintain life.
The respiratory system includes the lungs, trachea, and diaphragm.
The endocrine system consists of glands that secrete hormones, such as the thyroid and adrenal glands.
Cellular communication is essential for coordinating functions across different systems, often mediated by hormones and neurotransmitters.
The digestive system is responsible for breaking down food, absorbing nutrients, and eliminating waste.
The reproductive system is responsible for producing gametes and facilitating reproduction.