They protect us from deseases that used to kill millions of people every year.
It is a surgical procedure in which the doctor repairs tiny parts of the body: blood vessels, nerves, etc.
It's moving an organ from a donor to another person.
They are substances to treat an illness or desease, like antibiotics, aspirins, calming...
It's a process where a donor gives blood to another person (recipient).
The doctor makes a physical examination: blood pressure, breathing, body temperature...
It's a test of blood in which we can determine the blood group, presence of infection, the number of special cells...
