<span>Echinoderms are marine invertebrates, they dwell under the sea unlike that of others that mostly live in land.
<em>Hope this helps:)</em></span>
Answer:
The function of the villi and the microvilli is to increase the amount of surface area available for the absorption of nutrients. Each villus has a network of capillaries and fine lymphatic vessels called lacteals close to its surface.
Explanation:
There, the villi and the microvilli increase intestinal absorptive surface area approximately 40-fold and 600-fold, respectively, providing exceptionally efficient absorption of nutrients in the lumen. There are also enzymes (enterocyte digestive enzyme) on the surface for digestion
Hypertension is a complex trait with multiple environmental and genetic contributors. Linkage studies of rare Mendelian disorders of hypertension and hypotension have produced the most notable progress toward understanding the heritable basis of blood pressure. Association studies to identify common variants have been limited in the past by small sample sizes and most findings lack replication.<span>
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Marble is a metamorphic rock.
Marble is a metamorphic rock, that forms when limestone (another rock) reaches a certain pressure and heat. It's composed of mostly calcite, and some other minerals like pyrite, quartz, iron oxide, and granite.
Over several years, marble is supposed to wear down from acid rain/weathering.
<span><em>Hyponatremia</em> is a condition that occurs when the concentration of sodium in the blood is too low. Sodium is critical in homeostasis because it maintains the fluid balance. In other words, it helps control the amount of water that circulates in the body. When sodium levels are low it becomes diluted and as a result, the body will have an excess of water, specifically extracellular fluid.
The excess fluid will have nowhere to go, so it goes into the cell. When this happens, it causes the cells to swell, which can lead to several health problems and some of them are life-threatening like cerebral edema. </span>
