Regular exercise often leads to an improved body image. Please select the best answer from the choices provided.

Astudy shows that an influenza vaccine is 71.4% effective in preventing a particular type of influenza. if 15,422 people receive the vaccine, how many would not be protected and would be likely to get infulenza?

Blood cells bring oxygen to cells and take carbon dioxide away. true or false

Iwill mark you brainlest if you answer this question