1 What is the whole blood?
Whole blood refers to the blood, which flows in our bodies with no components added or removed. As per medical science, it is an uncommon sort of transfusion. This blood is used for people who require all the components of blood for their body, for example, people who might have a lot of blood loss because of any surgery or a significant accident.
2 What are the components of blood?
Very fewer people are cognizant that white blood is composed of red blood cells, platelets and white blood cells. All of them are dissolved in a liquid pattern that is called plasma. All the cells float in plasma which consists of hormones, electrolytes, nutrients and protein antibodies to fight infection.
3 Role of the blood components
You need to understand the role of each of them. Red blood cells carry the oxygen from the lungs, which transmit the blood its red colour. The primary part of white blood cells is to fight against infections. Additionally, the plasma helps in forming the clots to cease the bleeding in case if there is a cut.
4 How much blood is in the human body?
The amount of blood in the body differs on a lot of factors like age, sex, and person’s overall health, even on the element where a person lives. For example, as per the study, men have more blood than women of similar size and weight.
5 Blood quantity as per age
Usually, the blood in a newborn baby is around 150-180 lbs. At the same time, a normal child with a bodyweight of 80 pounds would have half the amount of blood as vied to an adult. A grown-up has almost 1.2-1.5 gallons or ten units of blood in their body. As per the research, the blood in the human body is about 10% more than their weight.
6 The difference of altitude also changes blood quantity
It has been observed that people who live at higher altitudes have 2 litres more blood than the individuals who stay at lower altitudes. The reason behind it is that when you are at higher altitudes where the air has less oxygen; therefore, people living there require more blood to deliver the right amount of oxygen to their lungs. (See How many bones in the human body?)
7 What does the blood do for the body?
Blood does numerous vital functions for your body. The primary function is to carry nutrients and oxygen to the cells of the body and takes away the waste from those cells. The next significant part is of transporting hormones and chemicals all around the body.
It also aids in controlling the body temperature, which means if your body heats up; it keeps the temperature normal by shifting extra heat to the skin where it can be discharged from the body.
8 How much blood can you lose or donate?
Donating or losing a lot of blood is not good for health, as in such cases, the brain does not get enough oxygen to support life. The standard amount of blood a person can give while donating blood is just 1 pint. It is the 10% amount of the blood in the body, and it is absolutely safe to donate this much amount of blood. (See What Is the Strongest Muscle in Your Body?)