Sorry if it is blury please help and hurry

Describe five factors that influence the value of fuel

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.