body systems

3. – Controls body functions and communication between different body parts through electrical signals. Includes the brain, spinal cord, and nerves.
7. – Allows the body to take in oxygen and remove carbon dioxide. Includes the lungs, trachea, bronchi, and diaphragm.
8. – Transports oxygen, nutrients, and waste throughout the body via the blood. Includes the heart, blood vessels, and blood.
9. – Protects the body from environmental damage and regulates temperature. Includes the skin, hair, and nails.
10. – Enables movement of the body and internal organs through muscle contractions. Includes skeletal, smooth, and cardiac muscles.
11. – Defends the body against infections and diseases. Includes white blood cells, lymph nodes, spleen, and thymus.

1. – Regulates body functions using hormones produced by glands such as the thyroid, adrenal glands, and pancreas.
2. – Allows for reproduction and continuation of species. Includes male and female reproductive organs such as the testes and ovaries.
4. – Breaks down food into nutrients that the body can absorb and use for energy, growth, and repair. Includes the mouth, esophagus, stomach, intestines, liver, and pancreas.
5. – Removes waste products from the blood and regulates water balance. Includes the kidneys, bladder, and urethra.
6. – Provides structure, support, and protection to the body and produces blood cells. Includes bones, cartilage, and ligaments.