
Normal Human Blood Pressure Range
Human blood pressure is the measured pressure in the wall of the arteries and recorded in millimeters of mercury. The measurement is written as a ratio to include two values: systolic and diastolic blood pressure.

Human blood pressure is the measured pressure in the wall of the arteries and recorded in millimeters of mercury. The measurement is written as a ratio to include two values: systolic and diastolic blood pressure.

Caffeinated products, such as coffee, soda, tea, caffeine pills or other caffeine-rich sources, offer a quick pick-me-up to make you feel energized. While including these products in your diet once in awhile most likely won't cause long-term...

Every bite of food you place in your mouth has implications for your health, depending on its properties. Some foods can efficiently thin your blood and help to prevent dangerous clots, especially if you consume them in increased quantities for...
A nutritional deficiency in your diet can cause anemia, a shortage of red blood cells. Aside from water, human blood is composed mainly of these cells, which your body needs for oxygen transport to cells. Increasing foods in your diet with the...

Triglycerides and cholesterol are two types of lipids, which are classified as hydrophobic, or water-fearing substances. Because lipids are hydrophobic, they cannot physically dissolve in water, and as a result, circulate throughout your blood,...

Blood glucose level, a measurement of the amount of sugar in your blood, must be maintained within a healthy range to prevent serious illness. While abnormally high blood glucose may indicate you're suffering from diabetes, a sharp drop in blood...

Blood chemistry is defined as the sum of the substances, and the reactions that occur, in the blood. Human blood is made up of several chemical compounds and cells all dissolved or suspended in water. Acids, bases, proteins, salts and many other...

Humans have circulatory systems designed much like water delivery systems. A pump—the heart—circulates fluid through a series of pipes, or blood vessels. The purpose of this system is to maintain the cells. In a multicellular organism,...

The circulatory system is made of the heart, an interconnection of blood vessels and blood. The vessels start out large near the heart and branch off and become smaller to reach areas like the tip of the nose, the fingers and toes and the very...

No part of the body is without access to a blood supply. The human heart is a hollow, pulsating muscle located above the diaphragm and slightly left of the midline of the chest. Its rhythmic beating keeps body fluids mixed by constantly forcing...

To function properly, the eyes require constant nourishment from the vascular system. Red eyes are usually caused by broken blood vessels in the conjuctiva, near the surface of the white of the eye. However, the major blood vessels of the eye are...

Blood sugar is a needed nutrient provided by carbohydrates and proteins eaten from your meals. You can have high and low blood sugar levels without experiencing any type of disease, such as diabetes mellitus. Fluctuations in blood sugar are a...

Your muscles require up to 100 times the blood flow during exercise than they need at rest, according to Dr. Michael Joyner, one of the principal investigators at Mayo Clinic’s Center for Translation Sciences and Activities. This increased...

Blood carries nutrients and oxygen to the tissues of the body, including the muscles. A complex network of blood vessels, called arteries, takes the blood from the heart to the muscles. Then a different set of blood vessels, called veins, takes...

Blood-borne parasites are found worldwide and usually spend a certain part of their life-cycle in the blood of the host. Blood-borne parasites may be transmitted in two ways according to the Centers for Disease Control and Prevention: parasites...
Your body needs glucose to make the energy that allows you to think straight, keep your heart beating and your muscles healthy, and much more. With the help of insulin, your cells absorb glucose from your bloodstream. The amount of glucose in your...

High blood cholesterol levels, or hypercholesterolemia can be caused by many factors; some of which you can control and some which you can not. When your total cholesterol or LDL cholesterol levels get too high, your risk for heart disease rises...

PH is a measure of acidity in a solution. In the human body, pH level of the blood is its first line of attack against external and internal forces at work in causing disease. According to Biomedx.com, the human blood has a pH level of...
For mild to moderate cases of hemophilia, the medicine desmopression or DDAVP can be an effective treatment. It is a man-made hormone designed to stimulate your blood to release more of its own clotting factor. Doctors can give it to you...

Human blood normally has a pH of 7.4, which is slightly alkaline. A condition called acidosis occurs if the pH falls below 7.36. The symptoms of chronic acidosis include insomnia, migraine headaches, rheumatoid arthritis, sensitivity of teeth to...

Two of the main components of human blood are red blood cells and white blood cells. While both types of blood cells are produced in similar ways, they have very different functions in the body. Without both red and white blood cells, bodily...
According to the Centers for Disease Control and Prevention, 22 percent of American adults have doctor-diagnosed arthritis; it is considered a "normal" consequence of aging by many. Genetics, overuse and injury are factors in the development of...

Mercury poisoning can cause of variety of medical conditions with varying degrees of severity. The symptoms can be as simple as nausea and vomiting to as severe as difficulty breathing, numbness in body parts and visual disturbances. According...

Lice are parasitic insects that feed on human blood. Lice most often live in hair on the head and body. The Center for Disease Control and Prevention reports three types of lice--head lice, body lice and pubic lice. Head lice are the most common...

Factor VIII is a type of clotting factor in the blood that helps blood clots form and stop bleeding in response to an injury, according to Mayo Clinic. When there is a deficiency of factor VIII, the body cannot stop bleeding on its own. This...
Pubic lice are small parasites that feed off human blood in the genital area. The Centers for Disease Control and Prevention states that pubic lice, or Pthirus pubis, isn't known to cause disease--only the body louse or Pediculus humanus corporis...

Head lice and their eggs, also called nits, attach to the hair shaft close to the scalp, causing itching and redness. They are spread through direct and indirect contact such as with hats, pillows and brushes. Lice can live up to 48 hours without...

Hemoglobin is an important part of your blood that helps deliver iron and oxygen to healthy tissues. It's made up of four protein molecules called globulin chains. Two are alpha globulin, and two are beta globulin chains. The normal hemoglobin...

Head lice are small insects that live on the human scalp and feed on small amounts of human blood. Anyone can get head lice, and having lice is not a sign of poor hygiene, according to the National Institutes of Health. Lice move by crawling, and...

Plasma, platelets, and red blood cells can all be donated with human blood. Learn the components of human blood donations in this free video clip from a blood donation center.

Symptoms of ectopic pregnancies. Learn about obstetrics from a doctor in this video on understanding pregnancy.

Sugar levels in the blood, or blood sugar, are regulated in the body by insulin. Learn about blood sugar, including treatments and safe levels, in this health video.

Lice are tiny, wingless, parasitic insects that feed on your blood. Lice spread easily through close personal contact and by sharing belongings. Learn about the different treatments for lice in this medical video.

Take control of cholesterol. Learn the facts about cholesterol and tips for lowering cholesterol count in this video.