Learn what causes nosebleeds, how to treat them, and the 4 signs that may mean you need to get your nosebleed checked out. If there is one thing that keeps people out of a medical profession, itâs blood. Itâs all fine and good when itâs on the inside of a person, but when blood comes out to where people can see it, they duck and cover.
Narrator: Tummy time means having your baby spend time on his tummy so he can develop important muscles and physical skills. It's something every young baby should do. Pediatrician Wendy Wallace: Hi, Iâm Dr. Wallace. Arlene: Hi, Iâm Arlene, and this is Mateo.
The TU (for Time Unit) is a unit of time defined as 1024 Âµs for use in engineering. The Svedberg is a time unit used for sedimentation rates (usually of proteins). It is defined as 10â13 seconds (100 fs). The galactic year, based on the rotation of the galaxy, and usually measured in million years.