Answer: Option A.
The hypothalamus is the brain structure responsiblre for regulating thirst, hunger, temperature and sexual behaviour.
Explanation:
Hypothalamus is a part of brain structures located at the floor of the third ventricle below the thalamus and its control the autonomic system.
It controls hunger, thirst, temperature, fatigue, sleep and sexual behaviour . Hypothalamus secretes the anti diuretic hormones which increases the level of water absorbed into the blood by the kidneys and corticotropin releasing hormone which regulate immune system.
Answer:
Chemical Energy!
Explanation:
A Battery is made of chemical energy!
Runoff is the stage of hydrologic cycle
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
I'm not entirely sure, but I think it is B) the pulley.