I think it is 9.12 I might be wrong but I think it’s 9.12
Answer:The immune system is a network of cells, tissues and organs that work together to attack pathogens that try to invade your body. Bacteria, parasites and fungi that may cause infection meet a system of immune soldiers, including T-lymphocytes, macrophages and neutrophils.
Explanation:
Answer:
A.messages that are sent from the brain to body parts
Love free stay clean and always be livky
It is a synthetic version of the hormone testosterone they are used medically to promote tissue growth.