When does the osmoreceptors in the body get activeted?

When does the osmoreceptors in the body get activated?

Osmoreceptors in the body are activated by changes in

Osmoreceptors in the body are activated by changes in

How are osmoreceptors in the hypothalamus activated?

Osmoreceptors in the body are activated by changes in -

Osmoreceptors in the body are activated by changes in (a) blood volume (b) body fluid volume (c) ionic concentration (d) all of these

When does the species at the top of the pyramid get more energy?