Which of the following best describes a simple nervous system

A. the flow of information is only one direction: toward an integrating center.
B. the flow of information is only one direction: away from an integrating center.
C. a system that includes sensory information, an integrating center, and effectors.

Covalent bonds are formed between metals and boiling points true or false

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

The pronunciation aid that determines the stress placed upon a syllable is the