Plasma is a) a liquid ground substance containing dissolved proteins. b) a dissolved ground matrix and a lining of epithelial cells. c) a liquefied ground substance that includes several dissolved cells. d) platelets, red blood cells, and white blood cells. e) platelets and a watery ground substance.
A normal resting heart rate can range anywhere from 40 to 100 beats per minute. Below is a chart relating resting heart rate and fitness level. As can be seen on this chart, your resting heart rate can vary with your fitness level and with age â the fitter you are, generally the lower the resting heart rate.
Your resting heart rate is the number of times your heart beats per minute when it is at rest -- when you are calm and relaxed.Resting heart rate varies from person to person, but according to the American Heart Association, the normal range is 60 to 100 beats per minute.A resting heart rate over 100, a condition called tachycardia, may be appropriate for you, or it may indicate a more serious condition.our resting heart rate is the number of times your heart beats per minute when it is at rest -- when you are calm and relaxed.