02:14:32 Which statement BEST describes how the body moves? A. Skeletal muscles, which are made of fibers, nerves, and blood vessels, contract in order to make the body move. B. Cardiac and smooth muscles are made of muscle fibers, nerves, and cartilage and are responsible for all movement in the body. C. Smooth muscles, which are made of blood vessels, fibers, and nerves, allow for all activities that use slow-twitch muscle fibers. D. Skeletal muscles, which are made of tendons, nerves, and fibers, line the body cavities and allow for support and movement.

Stan is a ninth grader involved in active sports. which list of food would provide him with a balanced diet

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.

In 2009, a flu pandemic was believed to have originated when viral transmission occurred from pig to human, thereby earning the designation, "swine flu." although pigs are thought to have been the breeding ground for the 2009 virus, sequences from bird, pig, and human viruses were all found within this newly identified virus. what is the most likely explanation of why this virus contained sequences from bird, pig, and human viruses? a) the virus was descended from a common ancestor of bird, pig, and human flu viruses. b) the infected individuals happened to be infected with all three virus types. c) related viruses can undergo genetic recombination if the rna genomes mix and match during viral assembly. d) the human was likely infected with various bacterial strains that contained all three rna viruses.