The human digestive system is a complex system that breaks down food into nutrients that the body can use for energy, growth, and cell repair. It involves a series of organs working together to ingest, digest, absorb, and eliminate food. The major organs include the mouth, esophagus, stomach, small intestine, and large intestine, with accessory organs like the liver, pancreas, and gallbladder also playing crucial roles.
Vaccination is the administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism.
Sex education is the process of teaching about human sexuality, relationships, reproductive health, consent, and safe practices. It promotes awareness, respect, and responsible decision-making for a healthy and informed life.