To better understand how the different part of the body works.
To understand the physiology of the various structures in the body.
To differentiate the systems of the human body
.
because their basic work is to fight against harmful external bodies and they are always present when chematoxin are released in an area in body
Alexander
Explanation:
T4 can be low with primary hypothyroid or euthyroid sick syndrome. Cushing disease ( hyperadrenocorticism) could also lower TSH production leading to a low T4
