In this article we will discuss about:- 1. Meaning of Blood Pressure 2. Factors Influencing Blood Pressure 3. Measurement 4. Regulation. Meaning of Blood Pressure: Blood pressure is defined as the lateral pressure exerted on the vessel wall by column of flowing blood or it is also termed as end arterial pressure. Systolic blood pressure is defined as maximum pressure [...]
In this article we will discuss about the meaning and role of peripheral resistance in cardiovascular system. Meaning of Peripheral Resistance: i. It is the resistance offered by vessel wall for flow of blood. ii. The unit used to measure resistance (pressure divided by flow) is dynes/cm. In other words, resistance in cardiovascular system is generally expressed as R units [...]
The following points highlight the three important stages of swallowing. The stages are: 1. Buccal or Oral Stage 2. Pharyngeal Stage 3. Esophageal Stage. 1. Buccal or Oral Stage: By the action of tongue, and muscles contracting against the palate, the food is converted into bolus which is lubricated by saliva. The bolus is then pushed by the tongue to [...]