Answer:
Cardiorespiratory endurance is measured by maximum oxygen uptake (VO2 max) and how it's used during intense exercise. Higher amounts of oxygen uptake show that you're using more oxygen and that your cardiorespiratory system is functioning efficiently.
Answer:
Korotkoff sounds are blood flow sounds that healthcare providers observe while taking blood pressure with a sphygmomanometer over the brachial artery in the antecubital fossa. These sounds appear and disappear as the blood pressure cuff is inflated and deflated.
Explanation:
The answer is number 5: defends the body against pathogens. Red blood cells do not defend the body, white blood cells do. Red blood cells' purpose is to carry oxygen to the rest of our body.
