Alexander Fleming was a Scottish microbiologist, pharmacologist, and pathologist who discovered the antibiotic substance penicillin in 1928.

Bacteriology is the branch and specialty of biology that studies the morphology, ecology, genetics and biochemistry of bacteria as well as many other aspects related to them.

Biochemistry is a branch of science that explores the chemical processes and substances that occur within living organisms.

Bioinformatics is an interdisciplinary field that combines biology, computer science, mathematics, and statistics to study and analyze biological data.

Biomedical engineering is a discipline that integrates engineering principles and design concepts with biology and medical sciences to improve healthcare treatment.

Biomedical technology involves: * Biomedical science * Biomedical informatics * Biomedical research * Biomedical engineering * Bioengineering * Biotechnology Biomedical technologies: * Cloning ** Therapeutic cloning.

A blood transfusion is a medical procedure where blood is transferred from one person (the donor) to another person (the recipient).

Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.