Answer: Alveoli
Explanation: Alveoli is the air sacs in the lungs through which oxygen and carbon dioxide diffuse into and out of the blood.
Short-term regulation of feeding involves signals coming from the liver and GI tract. Stretch receptors send afferent signals through the vagal nerve fibers to the chemoreceptors in the stomach and proximal small intestine,
Short-term regulation food intake is primarily regulated by food signals resulting from both their preabsorptive action in the gut and their postabsorptive metabolism, as opposed to long-term food intake, which is regulated by adiposity signals. The first process, commonly referred to as short-term regulation, tries to consume enough energy to counteract what is being used up. It is typically believed that this short-term mechanism controls both the interval between meals and the amount of the meals.
Learn more about Short-term regulation here.
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Omg going to say A I could be wrong
Answer:
Endothermic reaction
Explanation:
Photosynthesis is an endothermic reaction because sunlight is being absorbed during the reaction and the definition suggests that in a reaction if heat is being absorbed it is termed as an endothermic reaction.
Well, first off the spongy mesophyll does have some chloroplasts, however they are located quite far from the surface of the leaf where most of the chloroplasts are. Therefore they don't get much light and don't contribute a lot to photosynthesis in the leaf. So why should the leaf waste the energy in making chloroplasts if there is not enough light to make them all efficient enough at photosynthesis?
