In this article we will discuss about:- 1. Characteristics of Pulmonary Circulation 2. Pressures in the Pulmonary System 3. Factors 4. Measurement. Characteristics of Pulmonary Circulation: 1. The entire pulmonary vascular system is a distensible low pressure system. 2. Reservoir: Because of their distensibility, the pulmonary veins act as an important blood reservoir. The volume of blood at any one [...]
In this article we will discuss about the changes that take place in the fetal circulation of blood at birth: 1. Primary Changes in Pulmonary and Systemic Vascular Resistance 2. Closure of the Foramen Ovale 3. Closure of the Ductus Arteriosus 4. Closure of the Ductus Venosus. 1. Primary Changes in Pulmonary and Systemic Vascular Resistance: First, loss of the [...]
Blood circulates around the body through different blood vessels like Arteries, Veins and Capillaries. Type # 1. Arteries: Arteries carry oxygenated blood away from the heart. Only pulmonary artery is an exception which carries deoxygenated blood. These arteries are divided into smaller branches which are known as arterioles. The walls of the arteries are thick, strong and elastic Blood passes [...]