Your colon hosts about 100 trillion bacteria

some as small as grains of sand

Your body can produce up to 100 billion white blood cells per day when fighting infection

and a dash of dark charm

Stuffed with 100% recycled polyester

sperm cell gintmicrobes chemistry notebook Your colon hosts about 100Swim into Science with the Sperm Cell Plush! Reproduction, biology, and a legendary little swimmer all wrapped up in one soft, speedy plush cell. This Sperm Cell Plush (Spermatozoon) celebrates the most iconic traveler in human biology. With a long tail and embroidered face, it's a playful and informative way to explore reproductive health, fertilization, and anatomy. Whether you're teaching, supporting a fertility journey, or just in the mood for