Answer:
숨을 들이쉴 때마다 폐포가 공기로 채워져 폐가 확장됩니다.
Explanation:
도움이 되기를 바랍니다 !!
The answer is dependent variable.
The correct answer is:
D
.Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.
Explanation:
The small intestines are well adjusted for absorbing nutrients during digestion by being very long, having villi and microvilli that enlarge surface area, using muscular contractions to move and mix food, and raising and housing digestive enzymes and bile that aid the breakdown of food. The inner surface of the small intestine is not flat but thrown into circular folds, which not only enhance surface area but aid in preparing the ingesta by acting as baffles. Villi: the mucosa makes multitudes of ridges which project into the lumen and are satisfied with epithelial cells.
Answer:
tissue in body
Explanation:
they are tissues in the body
Answer:
Scientists are studying a group of ant colonies in the Arizona desert. Which question about the ants can be answered scientifically?
Explanation:
The correct answer will be option- Does the amount of sunlight in a day affect how much food the ants eat that day.
Explanation:
A scientific method is a systematic approach to understand and explain any natural phenomenon in nature. The scientific method involves making, ask a scientific question, do background research and propose a hypothesis which could be tested to produce a real answer to the scientific questions.
In the given question, the scientist wants to study the ants in the desert through scientific method. The possible question that could be answered will be the how the amount of light can affect the quantity of food consumed by ants as the amount of food can be studied through the experiments by proposing a hypothesis.
Thus, the selected option is the correct answer.
