After going a long period of time without eating, the intestines release the hormone ghrelin into the bloodstream, which travels
to the brain and signals hunger. After eating breakfast, hydrochloric acid and mucus travels through ducts to reach the stomach from the gastric glands and helps break the food down. What type of glands are the gastric glands?
A.
exocrine glands, because they release their contents into ducts
B.
endocrine glands, because they release their contents into ducts
C.
endocrine glands, because they release their contents into the bloodstream
D.
exocrine glands, because they release their contents into the bloodstream
Exocrine glands, because they release their contents into ducts.
<h3>Explanation:</h3>
Exocrine glands:
Exocrine glands are glands whose secretions pass into a system of ducts that lead ultimately to the exterior of the body. So the inner surface of the glands and the ducts that drain them are topologically continuous with the exterior of the body (the skin).
Gastric glands , salivary glands and sweat glands etc are example of Exocrine glands.
<em><u>about 3.9 billion years agoThe most recent common ancestor of all currently living organisms is the last universal ancestor, which lived about 3.9 billion years ago.</u></em>