Question

dr. paivio studies the ways in which the endocrine system and the nervous system are similar. what might he conclude? the speed of their message transmission is similar. both systems are located in the brainstem. both systems are located in the spinal cord. both systems secrete molecules that activate receptors elsewhere.

Explanation:

The endocrine system secretes hormones and the nervous system releases neurotransmitters. Both are molecules that activate receptors in other parts of the body. The endocrine system is slower than the nervous - system in message transmission. The endocrine system is not solely located in the brainstem or spinal cord.

Answer:

Both systems secrete molecules that activate receptors elsewhere.