What statement best describes the functioning of a cardiorespiratory system a) the longs pump oxygenated needed blood to the body and remove oxygenated blood from the heart b) belongs pump carbonated dioxide into the blood and the heart circulates it through the body c) the lungs import oxygen into the blood and remove carbon dioxide from the blood d) the longs import carbon dioxideinto the blood and the heart circulated throughout the body

Which of the following requires the action of a first class lever in the body

Evaluate the scenarios and select the one that demonstrates the training principle overload. kai swims faster and faster every day. katie stays consistent in her routine. maggie does kickboxing daily so she can win a kickboxing match. sarah usually likes to run, but tries swimming. !

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly. c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus. d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.