A humorous side note if you have ducks: you may notice their chests look a bit swollen or even lopsided after a large meal. This is due to them stuffing their “grocery cart” (esophagus) full of food. As the esophagus empties, physiological warning bells go off prompting a duck to eat...
Pigs rely on their keen sense of smell to find food. ©iStock.com/anopdesignstock Fortunately for domestic pigs, they don’t have to worry about finding their own food. All these pigs have to do is point their snout into their food trough and tuck in. However, wild pigs don’t hav...
Whether information is coming from the sensory organs or going to the body's muscles, the cells of the shrimp's nervous system need to communicate with other cells. To send messages, they rely on hormones and neurotransmitters. Shrimp, like humans, have a cholinergic nervous system, meaning th...
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