Blood, consisting of blood cells and plasma, is the vital transport system that delivers nutrients, oxygen and other essentials to the cells of your body.
The musculoskeletal system supports your body’s form, provides strength and allows for stability and movement.
A highly complex processing center and sensory network that controls bodily functions and relays messages to different parts of your body.
Cancer is a group of diseases involving abnormal cells dividing out of control and spreading to surrounding tissues and other parts of your body.
Your gastrointestinal tract and related organs make up your digestive system, which works to break down foods and liquids to fuel your body.
These interconnected areas of the head and neck control activities like breathing, speaking, hearing and swallowing.
The endocrine system features a collection of glands that secrete hormones, which help regulate everything from metabolism to reproduction.
These organs help control your vision, allowing you to receive and process light and other visual details.
Genetics is the study of genes, the inherited instructions that determine your physical traits and other aspects of your health.
After being pumped by the heart, blood travels to various parts of the body via the veins and arteries of your circulatory system.
A complex network of cells, organs and chemical responses, the immune system defends your body against pathogens — sometimes resulting in an allergic reaction.
A group of diseases or disorders caused by bacteria, viruses, fungi or parasites that infect your body.
Kidneys, bladder and urinary tract
The urinary tract is one of the systems of your body responsible for filtering your blood, creating urine and getting rid of waste.
The respiratory system is responsible for breathing, which provides your cells with oxygen while expelling waste gases.
Mental and behavioral health
Mental health relates to your emotional and psychological well-being and can affect how you feel, think and behave.
Pregnancy, when a baby grows and develops inside the body, is followed by the postpartum period after the child is born.
Reproductive system and sex organs
Your reproductive system, made up of a network of organs and biological processes, is responsible for sexual reproduction.
These important body parts help protect your organs and tissues and also regulate your internal body temperature.
An altered state of consciousness that allows your body and nervous system to heal and repair itself.
The backbone of your body connects various parts of the skeleton and provides central support to help you stay upright.