The immune system is the bodies defense against invaders and is located in all body tissues with concentration in the mucosal surfaces and skin.
Explanation:
adrenocorticotropic hormone= It stimulates the adrenal cortex.
Answer:
Just letting you know that the meaning of a vestigial structure
Explanation:
It is a structure that has no purpose. For ex. a pig's back toe has no purpose it's just there. It doesn't function
Competence is the answer to this question
