Answer:
your body produces melatonin it is to help you fall asleep
Explanation:
Alberta's minimum wage increased to $15/hour on Oct. 1, 2018.
hope this helps!
Answer:
You have external defense systems, which include your skin, tears, mucus, saliva, stomach acid, cilia (small hairs) and helpful bacteria. The skin, nails and hair form the integumentary system, which stops dirt and pathogens from entering the body.
