Putting a demand on muscles repeatedly by making them work harder is . a) only effective in increasing muscle endurance. b) effective for increasing muscle tissue when comnined with tripling protein intake.
c) causes overtraining and is an ineffective method for adding more muscle tissue.
d) only effective for increasing muscle strength.
e) the most effective, safe way for athletes to add muscle tissue.

What is a cordon and where is it found

On his trip to the galapagos islands, darwin determined that animals on the islands

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.