Literally nothing... sorry! lol. you will definitely spot it at the other end in about 24 hours though! no worrys. i swallowed a lego once and i was fine!:)
Answer:
Your target rate should be between 171-200 so if it's the 65% then multiply 200 by .65 and get 130. So that would be the 65% of your target heart rate
Explanation:
If there is an increase in carbon dioxide in the blood it means that the cells would increasingly take up oxygen. so then lactic acid would be produced. Also the person that has increase in carbon dioxide in blood will die. if the level of carbon dioxide in blood increases the PH decreases. when the levels of carbon dioxide increase the blood becomes more acidic.
Hope this helps:)