ID 235899889 © Pikovit | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
stress response cortisol acth vector pituitary adrenal symptom system gland body anatomy hypothalamic hormone hypothalamus chemistry function brain blood human organ liver adrenaline cortex kidney endocrine glucose heart nervous glycogen medical science pressure illustration hormones digestive adrenalin axis activation bloodstream noradrenaline muscles hpa htpa icon medicine silhouette activity biology