THIS IS TECHNICALLY FOOD SCIENCE What is peristalsis? *
O the part of the digestive tract that connects the mouth and the stomach
O the rhythmic movement of muscles in the esophagus
O a special protein that helps a chemical reaction take place
O the anatomical part of the body that links the throat to the esophagus

the rhythmic movement of muscles in the esophagus

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

there really is life in the deepest part