<span>When comparing lakes and oceans, most lakes have : A ) lower levels of salt
-Hope this helps.</span>
The epiglottis
The cartilage in the throat that guards the entrance to the trachea and prevents fluid and food from entering it when a person swallows is known as the epiglottis
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The epiglottis is an elastic flap located at the upper end of the larynx in the throat. The epiglottis is the valve that turns passage to either the esophagus or the trachea. The epiglottis allows air to enter the airway to the lungs during breathing, and during swallowing, it allows food and fluids to pass into the gastrointestinal tract.
Its called the exchange reaction
if this help then make this the brainiest answer
Hypothalamus. Hypothalamus, besides controlling hunger, also, controls thirst, body temperature, sleep, emotional, physical, instinctive and reproductive behavior. Through pituitary is associated whit endocrine system, which is one of most important functions of hypothalamus.
