In the human body, health is maintained through the interconnectedness of organ systems, proper posture, and stable biochemical metabolism.
The internal carotid artery provides blood supply to most of the brain's cortex on one side, including the frontal, parietal and temporal lobes. Only the posterior parts of the brain are supplied by different arteries.
Read more →
Methylsulfonylmethane, or MSM, is organic sulfur used by the body to grow bone, hair and nails. Drugs.com reports that MSM may be useful in elevating conditions such as arthritis or allergies. It is also used as a combatant against some parasitical infections.
Read more →
Several years before menopause, you may begin to experience a variety of symptoms that your ovaries are failing. Premenopausal women may experience such a wide range of symptoms -- headaches, joint aches, hot flashes, sleep disturbances -- that one woman's journey may be completely different from that of her friends.
Read more →
Vitamins play a vital role in sustaining a healthy respiratory system and reducing your risk of diseases, such as chronic obstructive pulmonary disease, emphysema, bronchitis, tuberculosis, pneumonia and asthma. Chronic lower respiratory diseases are the fourth leading cause of death in the United States.
Read more →
Pressure in the ears, also known as aural fullness, can be caused by a number of reasons, most of which are temporary and disappear on their own. According to Dr. Douglas Hoffman in his column AllHealth.
Read more →
Proteins are important structural and functional biomolecules that are a major part of every cell in your body. There are 2 nucleic acids -- DNA and RNA. Your cells make proteins by following the instructions encoded in your DNA, which is genetic material and a type of nucleic acid.
Read more →
Throughout development from infancy to adulthood, normal vital signs change. Due to anatomical differences, what is normal for one age group could be abnormal for another. Normal pulse rate changes substantially from infancy to middle childhood. By age 12, the normal pulse rate approximates that of an adult.
Read more →
Your body's muscle tissue contains several enzymes, which are catalysts that cause chemical reactions. Your muscles require chemical reactions to supply them with energy, help them repair damage and help them function. High muscle enzymes in your blood can mean that muscle cells have been damaged.
Read more →
You've no doubt experienced a muscle cramp before. It's extremely painful but usually doesn't last long. Sometimes you get them while you exercise or right after your workout. Or you might get them in the middle of the night.
Read more →
Cramps are painful muscle spasms that can occur after intense exercise or competition. Cramps are not usually dangerous, but can be extremely painful. Besides overuse, muscle cramps can stem from dehydration, diuretic medications or an imbalance of the minerals calcium, magnesium and potassium.
Read more →
Breathing can be a conscious or unconscious act. We can hold our breath or breathe deep even while the rest of our body is asleep. Without the respiratory system our body could not get the vital oxygen it needs to function. Lungs themselves are made of a soft, spongy material that contain no muscle at all.
Read more →
The five major organs that secrete digestive juices are the salivary glands, stomach, pancreas, liver and small intestine. Each of these organs synthesizes its mixture of digestive juices that breaks down food into smaller pieces that can be absorbed into the body.
Read more →
Although you have more than 600 muscles in your body, there are only three types of muscle: smooth, cardiac and skeletal. Each muscle helps to keep you in motion, your heart beating or signal a natural response in your body, such as the ability to keep your eyes focused.
Read more →
Preservatives are chemicals used to keep food fresh. Although there are a number of different types of food preservatives, antimicrobials, antioxidants, and products that slow the natural ripening process are some of the most common.
Read more →
Intestinal parasites in the body are commonly caused by poor sanitation and hygiene, as well as international travel to locations where parasite infections are common. In some cases, worms may be spread through sexual intercourse when anal and oral sexual contact occur, according to Planned Parenthood.
Read more →
Different body types are better suited to certain sports and physical activity. For example, the requirements of basketball tend to exclude extremely short players from advancing to the professional leagues.
Read more →
Your cardiovascular system is made up of the heart, blood vessels and blood. It is a system that never rests. It pumps 5 to 6 liters of blood per minute through your body and can pump as many as 30 liters per minute during times of extreme stress.
Read more →
Although a small amount of blood-tinged ear discharge might not be significant, it could be a sign of a potentially serious ear issue, especially in young children and those with a history of ear problems. If you notice even a tiny amount of bloody discharge from your child's ear, contact his pediatrician.
Read more →
Simple squamous epithelium refers to a single layer of thin, flat cells that line body surfaces. One side of the surface opens to the environment while the other is anchored to the underlying cells.
Read more →
When it comes to dental health, taking care of your fleshy, pink gums is every bit as important as brushing your pearly whites. Gum disease, also known as periodontal disease, is an inflammation of the tissue surrounding and supporting the teeth.
Read more →