resting normal heart rate

Rate of Heart Beat - The rhythmic contraction and relaxation of the heart to pump out and receive blood is called the heart beat. The rate of the heart beat varies from species to species. The smaller the animal, the higher is the metaboli..

The number of times the heart beats per minute is called heart rate. For a normal adult human it is about 72 times per minute. For infants, it is a higher figure. It also goes up during physical exercise. The contractions and relaxations that the heart..

The body must be given sufficient rest in order to rejuvenate itself. Regular hours of sleep and relaxation are required by the body. On an average, a normal adult requires about 6-8 hours of sleep. Infants sleep for longer hours, which is necessary for their growth. Relaxation..

Pulse is defined as the wave of distension and recoiling felt in the radial artery due to the contraction of the left ventricle which force about 70-90 ml of blood into the already full aort..

The Heart Beat - The heart beat results in electropotential differences spreading over the heart muscles. These follow a specific pattern. Any change in the pattern indicates an abnormality. The pattern can be recorded using an electrocardiograph. The recorded pattern ..

The heart beat results in electropotential differences spreading over the heart muscles. These follow a specific pattern. Any change in the pattern indicates an abnormality. The pattern can be recorded using an electrocardiograph. The recorded pattern is called the electrocard..

Heart - Cardiac Cycle - The heart has an increasing rhythmic activity. It pumps blood by its contraction and relaxation. The contraction of the heart is called systole and the relaxation is called diastole . The contraction and relaxation together constitute the h..

Control of the Heart Function - The control of the heart function is by a set of muscles and is, therefore, called myogenic . If the heart is removed from a living mammal and placed in a well oxygenated salt solution maintained at 37 o C, the heart continues ..

Joe invested $7,400, part at an annual interest rate of 4% and the rest at 5%. He received a total annual interest of $350. How much did he invest at each rate? => $3,000, $7,435 or $4,050, $7,420 or $2,000, $5,400 or $3,025, $7,460..

Mortality rate is the rate at which the individuals die or get killed. It is the opposite of natality rate. Mortality rate is generally expressed as number of deaths per 1,000 individuals of a population per year. Lowest death rate for a given spec..