An autocrine secretion acts on ____a paracrine secretion acts on_______.  

Adrenal medulla (endocrine) secretes mostly ___________.  

  ______________ are intercellular messengers which travel in the blood stream and are secreted by endocrine cells.

A certain drug decreases heart rate by blocking a receptor on cardiac pacemaker cells. This drug probably binds to ________ receptors.  

The hypothalamus controls secretion by the anterior pituitary by  

Please identify the neuron pictured below as:  SYMPATHETIC or PARASYMPATHETIC             [a] ______________  

Use the following hormones to complete the statements  (filling in the blanks using the listed hormones):      Andrenocorticotropic Hormone, Corticotropin-releaseing hormone, glucocorticoids   The [a]    is secreted from the hypothalamus and it acts on the anterior  pituitary gland causing it to secrete  [b]   .  The release of the anterior pituitary gland hormone then acts on the adrenal cortex to cause it to secrete [c]  .  

Craniosacral division is another name for the  

The _____________  is a division of the nervous system responsible for _____.  

Target cells can adjust their sensitivity to hormones by changing?