The liver makes sure that blood glucose levels remain steady. But when blood glucose levels fall, the pancreas secretes glucagon. Therefore the answer to your question in the pancreas.
You could possibly record yourself on a tape recorder, something like that, and giving it to the person when you're busy so they can learn while you're gone
I hope so! Having friends and being able to socialize with them is a very important part of mental health.
Over the next few days, the single cell divides into multiple cells. At the same time, the small cluster of dividing cells moves through the fallopian tube to the lining of the uterus. There it implants and starts to grow. For 8 weeks after implantation, it is called an embryo.