Answer: 1. The Epidermis. The epidermis is the water-resistant outer layer of skin and the body's first line of defense against environmental elements, ultraviolet, tradiation, bacteria, and other germs.30 ene. 2020
White blood cells do. we need a balanced amount of white blood cells to fight off infections!
They have a higher change to die because of old age lower immune system
Answer: tampering with the brain’s communication system.
Explanation: a person’s state of mind by tampering with the brain’s communication system. Brain cells or neurons send messages by releasing chemicals called neurotransmitters into the gap between them and the next neuron.
