Question

what is true about the hormone that is released from the organ that the arrow is pointing at? it causes plasma concentration of glucose to decrease. it activates osteoclasts. it causes the insertion of aquaporins in the kidney (nephron). it causes plasma concentration of potassium to remain constant.

Explanation:

Assuming the organ is the pancreas (common endocrine - organ with characteristic appearance), insulin (a pancreatic hormone) decreases blood - glucose levels. Osteoclast activation is related to parathyroid hormone. Insertion of aquaporins is related to antidiuretic hormone. Maintaining potassium balance is related to aldosterone.

Answer:

It causes plasma concentration of glucose to decrease.