True or False
Directions : Write TRUE if the statement is correct and FALSE if it is not.
1.) The nervous system and the endocrine system are important in maintaining internal balance.
2.) Using feedback mechanisms can help most body systems maintain homeostasis.
3.) Symbiosis refers to the condition when each part of the body functions in equilibrium with other parts.
4.) The process where in the level of one substance influence the level of another substance is called feedback mechanism.
5.) Positive feedback affects the production of hormones in the menstrual cycle.