The answer to your question is A ;)
Answer:
C) dense microvilli
Explanation:
The modification of simple columnar epithelium that allows for efficient absorption along the digestive tract is Dense microvilli.
microvilli increase the surface area of the simple columnar cells allowing more space and opportunities for nutrients to be absorbed from the lumen of the intestine into the bloodstream.
Microvilli are microscopic cellular membrane protrusions that increase the surface area for diffusion and minimize any increase in volume. They are involved in a wide variety of functions, which include absorption, secretion, cellular adhesion, and mechanotransduction.
Answer: Activities include teaching English, working in orphanages, conservation, assisting non-governmental organizations and medical work. International volunteering often aims to give participants valuable skills and knowledge in addition to benefits to the host community and organization.
Explanation: Volunteers carry out 90 percent of the humanitarian work of the Red Cross. They help victims of disaster, provide care and comfort to ill and injured service members and veterans, teach others lifesaving skills such as First Aid and CPR, help staff blood drives and much more.
Answer:
Soooo A.
Explanation:
Immediately after quitting tobacco use, blood pressure lowers and heart rate returns to normal. As time passes, circulation improves and the risk of heart disease and stroke becomes similar to that of nonsmokers.
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Answer: False
Explanation: base runners can advance, but the batter cannot.
