Explaining Biology on Instagram: "How Conception Works Conception is the process by which a pregnancy begins — when a sperm and an egg join to form a new life. Ovulation An ovary releases an egg once per cycle. The egg lives for about 12–24 hours. Sperm enters the body During intercourse, sperm travel through the reproductive tract and can live up to 5 days. Fertilization A sperm meets the egg in the fallopian tube and combines genetic material, forming a zygote. Cell division The zygote divides

Explaining Biology on Instagram: "Biology doesn’t have to be confusing or boring. Sometimes, all it takes is a simple visual to make complex concepts finally click. Biological valves are found throughout the human body—inside veins, the heart, and other systems—working silently to ensure blood and fluids flow in the right direction. These valves open when pressure moves forward and close instantly to prevent backflow, protecting the body from serious complications. This quick demonstration shows