Muscles of vertebrates, including humans, are divided into three types: skeletal muscle, smooth muscle and cardiac muscle. In humans, muscles can account for close to 50 percent of the body's weight. For the most part, smooth muscle and cardiac...
Muscles are a fibrous group of tissues that provide contraction, allowing the body to move. Muscles also function in many vital biological processes including the contraction of the heart, the movement of food through the digestive system and the...
The term "heart failure" refers to the state in which decreased heart function is accompanied by a buildup of body fluid in the lungs, feet, legs and, in some cases, the liver or abdominal cavity. The common symptoms of heart failure include...
Cytology is the study of cells, including their structure, function and composition. Achieving physical fitness through vigorous exercise involves physical changes to cells throughout the body, most prominently cells in the blood, muscles and...
The heart functions as the motor of the circulatory system, which consists of the heart, blood vessels and blood. The heart pumps approximately 2,000 gallons of blood through the body each and every day, according to the American Heart...
An essential positively charged ion, potassium is intimately connected with the electrical conduction system of the heart, according to "Rapid Interpretation of EKG's." Imbalances in potassium, an electrolyte, can produce dangerous heart...
If you have ever shopped for health, beauty or cleaning items, chances are you have stumbled upon hydrogen peroxide (H2O2). Found in such products as chlorine-free bleaches, contact lens disinfectant solutions, fabric stain removers, first aid...
