My Body System

The cardiovascular system includes the heart, blood, arteries, capillaries, and veins. It pumps blood, supplies oxygen and nutrients, and removes wastes. The heart is like a pump that keeps blood moving through the body.

The digestive system includes the mouth, esophagus, stomach, liver, gallbladder, pancreas, intestines, appendix, and rectum. It breaks down food, absorbs nutrients, and excretes waste. Your stomach and intestines work together to turn food into energy.

The endocrine system produces hormones that regulate growth, development, and homeostasis. It includes glands like the thyroid, adrenal, pituitary, and pancreas. These hormones help control things like mood, growth, and metabolism.

This system provides vision and hearing, interpreting visual and auditory information. Your eyes and ears help you see and hear the world around you.

The bone marrow generates blood and immune cells. This system fights pathogens, eliminates cancer cells, and transports oxygen. It helps keep you healthy by fighting off infections.

The lymphatic system includes lymph nodes, tonsils, thymus, and spleen. It helps fight pathogens and maintains fluid balance. This system also helps remove waste and toxins from your body.

The musculoskeletal system includes muscles, bones, joints, tendons, and ligaments. It provides structure, support, and movement. It allows you to walk, run, and play sports.

The nervous system includes the brain, nerves, and spinal cord. It enables thinking, emotions, and responses to stimuli. Your brain sends messages to your body to tell it what to do.

The reproductive system produces offspring. In males, it includes the penis and testes. In females, it includes the ovaries and uterus. This system allows people to have children.

The respiratory system includes the lungs, pharynx, larynx, trachea, bronchi, and diaphragm. It handles breathing and exchanging oxygen and carbon dioxide. This system helps you breathe in oxygen and breathe out carbon dioxide.

The skin system includes the skin, hair, and underlying tissues. It protects the body, provides sensory information, and regulates temperature. Your skin is your body’s first line of defense against germs.

The urinary system includes the kidneys, ureters, bladder, and urethra. It filters waste from the blood and removes it from the body. This system helps keep your body’s water and salt levels balanced.