Blog about the human heart and blood vessels
Where are the 4 chambers of the heart located? There are four chambers: the left atrium and right atrium (upper chambers), and the left ventricle and right ventricle (lower chambers). The right side of your heart collects blood on its return from the rest of our body. Where are the chambers of the heart located …
Your body will replace the blood volume (plasma) within 48 hours. It will take four to eight weeks for your body to completely replace the red blood cells you donated. Is 500 cc blood loss a lot? The average amount of blood loss after the birth of a single baby in vaginal delivery is about …
Most healthy individuals have variations in their blood pressure — from minute to minute and hour to hour. These fluctuations generally happen within a normal range. What can cause blood pressure to change quickly? Everyone’s blood pressure rises and falls many times during the course of a single day, sometimes even within minutes. Many factors …
A white blood cell, also known as a leukocyte or white corpuscle, is a cellular component of the blood that lacks hemoglobin, has a nucleus, is capable of motility, and defends the body against infection and disease. Do white blood cells have a nucleus and DNA? Surprisingly, they do not. DNA is stored in the …
How can I lower my blood pressure in minutes? If your blood pressure is elevated and you want to see an immediate change, lie down and take deep breaths. This is how you lower your blood pressure within minutes, helping to slow your heart rate and decrease your blood pressure. When you feel stress, hormones …
What are the 3 layers of arteries and veins? As in the arteries, the walls of veins have three layers, or coats: an inner layer, or tunica intima; a middle layer, or tunica media; and an outer layer, or tunica adventitia. What are the 3 parts of blood vessels? There are three kinds of blood …
Hemoglobin is contained within erythrocytes and significant amounts of “free hemoglobin” (outside the RBC) are not normally present in plasma. This free hemoglobin is also called plasma hemoglobin. How much hemoglobin is in plasma? Plasma or serum in someone who does not have hemolytic anemia may contain up to 5 milligrams per deciliter (mg/dL) or …
Daily low-dose aspirin makes the blood less sticky and helps to prevent heart attacks and stroke. It’s usual to take a dose of 75mg once a day. Sometimes doses may be higher. It’s best to take low-dose aspirin with food so it doesn’t upset your stomach. How much aspirin should you take daily to prevent …