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Are veins of the pulmonary circulation similar to the veins of the systemic circulation but contain no one way valve?
True.
What is the function of the pulmonary valve?
The pulmonary valve (sometimes referred to as the pulmonic valve) is thesemilunar valve of the heart that lies between the right ventricle and the pulmonary artery and has three cusps. Similar to the aortic valve, the pulmonary valve opens in ventricular systole, when the pressure in the right ventricle rises above the pressure in the pulmonary artery. At the end of ventricular systole, when the pressure in the right ventricle falls rapidly, the pressure in the pulmonary artery will close the pulmonary valve. The closure of the pulmonary valve contributes the P2 component of the second heart sound (S2). The right heart is a low-pressure system, so the P2 component of the second heart sound is usually softer than the A2 component of the second heart sound. However, it is physiologically normal in some young people to hear both components separated during inhalation. The function are Prevents the back flow of blood as it is pumped from the right ventricle to the pulmonary artery.
Blockage of pulmonary blood flow by a clot or similar obstruction is?
pulmonary embolism
What is similar between a mammal and a reptile heart?
They both have a pulmonary artery on the left and the aorta on the right.
What is the difference between a amphibian heart and a pig heart?
A pig's heart is very similar to the human heart in that it has 4 chambers while an amphibian heart has only 3 chambers. The pulmonary system in an amphibian is low pressure and has only an atrium.
What is similar about the air pressure in a hurricane and a tornado?
Both produce intense low pressure.
What effect does heavy snoring have on quality of life?
A group of Swedish researchers reported that heavy snoring has the same level of negative effects on quality of life among adult males as high blood pressure, chronic obstructive pulmonary disease, heart disease, and similar chronic medical conditions.
Which advertising technique is similar to peer pressure?
bandwagon
What could a region that covers two states and has a similar pressure and temperature be called?
A region that covers two states and has a similar pressure and temperature is called an air mass.
How are systemic antifungal drugs linked to birth defects?
In laboratory studies of animals, systemic antifungal drugs have caused birth defects and other problems in the mother and fetus. Studies have not been done on pregnant women, so it is not known whether these drugs cause similar effects in people.
What are some of the symptoms of Scleroderma?
Scleroderma is an autoimmune skin disease that can either be found in systemic or localised forms. The systemic kind can be identified by the thickening and tightening of the skin and connective tissue. Localised symptoms of Scleroderma are similar to Schlerosis, where patches of hard, and sometimes scaly skin become visible.
How pressure works in gases?
Pressure in gases is very similar to pressure in liquids. The pressure of a gas is always higher in the direction a force is acting e.g. gravity.
