No it is not the main energy source
<span>respiratory illnesses, such as COPD or <span>asthma </span></span><span><span>neurological disorders, such as multiple sclerosis, cerebral palsy, Parkinson's disease, and epilepsy. mental disorders, such as depression, anxiety, schizophrenia, autism.</span>
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Answer:
related words for hormone, like: adrenaline, cholecystokinin, progesterone, cortisone, estrone, insulin, steroid, endocrine-gland, endocrine, internal secretion and oestrogen.
Explanation:
the higher the percentage of the drug the faster it is to get in your blood stream
