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Anatomy of the Endocrine System in Children These are parts of the endocrine system: Hypothalamus. This gland is in the brain. It secretes hormones that stimulate or suppress the release of hormones in the pituitary gland. It also controls water balance, sleep, temperature

Exercise Finding the right exercise program and the right preparation Physical activity is an important action that people can do to improve their health. Experts advise getting at least 150 minutes of moderate-intensity, aerobic physical activity every week for major health

Hypnosis What is hypnosis? Hypnosis (hypnotherapy), like sleep, puts the mind in an altered, relaxed state. Under hypnosis, the mind can still reach memories, sensations, and other thoughts. Hypnosis is often used for things such as to break bad habits, control pain, and manage

Anatomy: Fetus in Utero Amniotic sac. A thin-walled sac that surrounds the fetus during pregnancy. The sac is filled with liquid made by the fetus (amniotic fluid) and the membrane that covers the fetal side of the placenta (amnion). This protects the fetus from injury. It also

Anatomy of the Skin Facts about the skin The skin is the body's largest organ. It covers the entire body. It serves as a protective shield against heat, light, injury, and infection. The skin also: Regulates body temperature. Stores water and fat. Is a sensory organ. Prevents

Understanding Your Child's Lymphatic System What is the lymphatic system? The lymphatic system is a part of the body’s immune system. It works to fight disease and infection. The lymphatic system goes through many changes during a child's growth. Before birth, a baby is protected

Birthmarks What are birthmarks? Birthmarks are areas of discolored or raised skin that are seen at birth or within a few weeks of birth. They may be made of malformed pigment cells or blood vessels. Medical experts don’t know what causes birthmarks. But most of them are not

Methods of Surgery What are the different methods of surgery? Surgery doesn't always mean large cuts (incisions) and long healing times, as in the past. Depending on the type of surgery, several methods may be used. People with the same diagnosis won't always be advised to have

Breathing Problems What might breathing problems mean in a newborn? Babies breathe much faster than older children and adults. A newborn's normal breathing rate is about 40 to 60 times per minute. This may slow to 30 to 40 times per minute when the baby is sleeping. A baby’s

Low-Vision Devices What is low vision? Low vision is a condition that means your vision can't be helped with traditional eyeglasses, contact lenses, intraocular lens implants, or corrective surgery. But in some cases, people with low vision may get help with special visual