Glándula que produce insulina y glucagón ayudando a regular la concentración de azúcar en sangre: *

Pancreas – regulates blood glucose levels. Adrenal gland – increases blood glucose levels and speeds up heart rate. Thyroid gland – helps to regulate our metabolism. Pituitary gland – stimulates growth.

Explanation:

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;