Question

I just don't know what each one is

Stimulus: Ca2+ ion levels in blood are too low
•Sensor: •Control center:
•Effector and action(s):
•Negative feedback:


•Stimulus: Ca2+ ion levels in blood are too high
•Sensor:
•Control center:
•Effector and action(s):
•Negative feedback:

Answer 1

A. Beacuse effector and actions and sensor control center= stimulus so m=347839.6