Qué significa tener energía? Bueno, piensa en cómo te sientes cuando despiertas por la mañana.
A sound wave is A wave of compression and rarefraction .
Because carry out all the functions in the human body necessary for living. Proteins make up hormones that are required for living. Insulin - responsible for stabilising blood sugar. Haemoglobin - responsible for carrying oxygen around the body. Melatonin - responsible for helping us get to sleep. Adrenalin - responsible for the flight-fight-freeze response. There are many more but here are just a few.
