Which of the following values can not be measured using si units?
a. length
c. temperature
b. density
d. all can be measured with sl units

D. All can be measured with standard SI units.

Length can be measured in meters, temperature in degrees centigrade, and density in grams.

i am going to guess that it is co2.

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