Students are in school about seven hours a day. After school, many of these students participate in extra-curricular activities, such as sports, clubs, theater or volunteering. Although academic work is vital, these extra-curricular activities are also significant for students.
EPUB is an e-book file format with the extension .epub that can be downloaded and read on devices like smartphones, tablets, computers, or e-readers. It is a technical standard published by the International Digital Publishing Forum (IDPF). The term is short for electronic publication and is sometimes styled ePub.
PDF printable version of Performance and Image Enhancing Drugs - Erythropoietin (EPO) (PDF 63 KB) What is erythropoietin (EPO)? EPO is a naturally occurring hormone produced by cells in the kidneys that regulate the production of red blood cells in bone marrow. These kidney cells are sensitive to low blood oxygen content and will release EPO when oxygen is low.