Question

what is reflection? what are hormones security lands called ? why are they called so?​

Answer 1

Answer:

the throwing back by a body or surface of light, heat, or sound without absorbing it.

Simply put, the endocrine system is a network of glands that secrete chemicals called hormones to help your body function properly. Hormones are chemical signals that coordinate a range of bodily functions. The endocrine system works to regulate certain internal processes.

Answer 2

Answer:

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves.