Human Body Test Questions And Answers 100% Verified A+ Guaranteed

your fingertips are more sensitive than your elbows because... {Ans: they contain more sensory neurons}Red blood cells {Ans: carry oxygen to our cells and CO2 to our lungs to exhale}cell membrane {Ans: A semi-permeable layer that separates the outside of a cell from the inside of the cell; it regulates what goes into and out of the cell.}cell wall {Ans: A strong, rigid structure found on the outside plant cells; protects the cell.}Breathing and heart rate go down after exercise because... {Ans: your energy needs go down}glucose reacts with_____________to produce energy in the cells {Ans: oxygen}