This is the inability to perceive differences between some or all hues that other people can distinguish, most of the time it is due to a genetic disorder but can have other causes.

one would be wind another would be water density

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

where is the scientific experiment?

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.