Chemical substances that are absorbed by the body through the process of digestion are called

True or false a fertilized cell divides many times to form an embryo

In order to remain wellness the parts of the health triangle always need to be?

Karen is waiting by the lockers before school for her friend richard. they had agreed to look over the history review sheet together to be ready for the test later that day. richard shows up late with uncombed hair and wrinkled clothes. karen: "you're five minutes late and you look like a wreck! " richard: (slams his locker) "you know, i don't have time for this." karen: "fine! figure out the test on your own! "