Answer:
For the first one is for earthquakes and the second one is “add toothpicks diagonal across the sides”
The name of the structure that increases the surface area of the small intestine in humans is Villi.
<h3>What are the functions of the small intestine?</h3>
The small intestine performs a key role in the digestion of undigested food which comes through the stomach. It also absorbs all the essential minerals and nutrients from the food and is used by the body.
Villi or microvilli is the structure that increases the surface area of the small intestine for food absorption and adding digestive secretions.
Therefore, the name of the structure that increases the surface area of the small intestine in humans is Villi.
To learn more about the Small intestine, refer to the link:
brainly.com/question/17315460
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A gymnosperm is <span>a plant that has seeds unprotected by an ovary or fruit. Gymnosperms include the conifers, cycads, and ginkgo.</span>
Answer:
See the answer below
Explanation:
Person X is feeling a burning sensation in several muscles<u> because of the accumulation of lactic acid due to inadequate oxygen in their system.</u> When oxygen becomes inadequate during exercises, anaerobic respiration takes place to augment the oxygen shortage and this leads to the production of lactic acid which accumulates up in the muscles and gives a burning sensation.

Person Y does not feel any burning sensation in their muscles <u>because oxygen is adequate in their system and they do not need to respire anaerobically.</u> <em>Person X exercise regime must have been more rigorous than that of person Y.</em>
certain hydrogen bonds are formed so that A goes with T and G with C