Blood

The Heart: What do you know about it?

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What’s the heart? The heart is an organ made up of muscle tissue. It is part of the cardiovascular system and its job is to pump blood with oxygen and nutrients to the rest of the body.   Inside, it is divided into 4 parts, two above and two below. The two upper cavities are … Read more

Blood. What does it have? Why donating blood is so important?

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On the 14th of June is the World Blood Donor Day.    But, as always, let’s start from the beginning.   What is the blood and why it is important?  Our body is made up of cells. All kinds of cells. When we have many similar cells that have a specific function, we form a … Read more