Answer:
The brain and the nervous system that attaches to the brain make up the most 2 critical organs in the human body.
Gastroenterologist specializes in the treatment of diseases of the rectum and anus
Correct answer: C) Increasing surface area to improve nutrient absorption between the digestive and circulatory systems
The small intestine contains a large number of small finger-like projections called villi, which increases the intestinal surface area and help in the absorption of nutrient from the intestine.
These villi consist of numerous blood vessels, which absorb the food and transport it to the bloodstream.
Answer:
The correct answer will be- homologous structures
Explanation:
The history of how life has survived on the earth can be studied through a field of biology called evolutionary biology.
Studying the anatomical features of the organisms and the collected specimens (fossils) shows that some organisms posses similar anatomical structures which could be performing different functions.
The structures in organisms which are similar in their structure are thought to have derived from a common ancestor and are known as "homologous structures.
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Thus, homologous structures are the correct answer.
Answer:
The chemical composition of the soil, the topography, and the presence of living organisms determines the quality of soil. In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air.
Explanation:
