Question

The cells of blood protozoa abd microorganisms wee firstly discovered by

Answer 1

Van Leeuwenhoek discovered"protozoa" - the single-celled organisms and he called them "animalcules". He also improved the microscope and laid foundation for microbiology. He is often cited as thefirst microbiologist to study muscle fibers, bacteria, spermatozoa andblood flow in capillaries.