Answer:
1.) activations
Step-by-step explanation:
Behavioral endocrinology is the study of interactions between hormones and endocrinology. Hormones are chemical messengers released by endocrine glands travels via blood streams influence the nervous system for the regulation of behaviors such as mating,aggression and parenthood of individuals.An example of endocrine regulation of biological and behavioral function during pregnancy. Estrogen and progesterone levels are elevated during pregnancy.These hormones are mediating maternal behavior.