As compared to the arterial system, the venous sytem has very low presures which presents problems for facilitating venous return. Which of the following is a mechanism utilized by the body to counteract this problem. Check all that apply. Check All That Apply A. skeletal muscle pump B. respiratory pump C. one-way valves in veins D. smooth muscle pump

"“forty or fifty years ago, many people thought that simply transferring technologies from industrialized to developing countries would close the technology gap. now we know that technologies developed in industrialized countries may not be suitable for use in other environments. they may require a particular type of infrastructure to operate. they may need specialized parts or knowledge to mend when they break we now understand that innovative capacity must be built in different ways." - united nations secretary-general ban ki-moon based on the secretary general's comments, which of these would be most important for a country to improve? a) native literature b) transportation grid c) cultural traditions d) construction styles

Abrief, "first-step" presentation of a work to be completed is called a

What is the term for the right to vote in elections?