Life careLife care

Measuring TechniquesMeasuring Techniques

Measuring body Measuring body temperaturetemperature• The skin and the The skin and the

temperature temperature regulatory centre in regulatory centre in the brain constantly the brain constantly adjust the body adjust the body temperature to keep it temperature to keep it within a narrow range. within a narrow range. The body core The body core temperature is the temperature is the temperature of the temperature of the internal organs.internal organs.

Measuring pulse rate and Measuring pulse rate and ECGECGAs blood is pumped As blood is pumped

out from the heart out from the heart by the contraction of by the contraction of the left ventricle, it the left ventricle, it causes a rhythmic causes a rhythmic expansion and recoil expansion and recoil in the arteries . This in the arteries . This can be detected as a can be detected as a pulse in the major pulse in the major arteries.arteries.

Measuring blood pressureMeasuring blood pressure

• Blood pressure Blood pressure describes the force describes the force exerted by blood exerted by blood against a unit area against a unit area as it flows through as it flows through the blood vessels.the blood vessels.

Measuring breathing rateMeasuring breathing rate

Breathing is a Breathing is a rhythmic rhythmic movement of the movement of the lungs to provide lungs to provide oxygen to the cells oxygen to the cells and to expel and to expel carbon dioxide.carbon dioxide.

Measuring body mass indexMeasuring body mass index

• The body mass The body mass index (BMI) is found index (BMI) is found by dividing the body by dividing the body mass in kilograms mass in kilograms by the square of the by the square of the height in metresheight in metres

• BMI=body mass in BMI=body mass in kg divided by the kg divided by the height in m2 height in m2