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.
Before we go on to answer this question, let us know what exactly is the heart rate. Well, heart rate is the number of contractions that the heart makes in a minute to pump the blood. On an average, healthy resting heart rate for men lies in the range of 65 to 70.In most cases, the normal resting heart for most people is usually around 72 beats per minute.efore we go on to answer this question, let us know what exactly is the heart rate. Well, heart rate is the number of contractions that the heart makes in a minute to pump the blood. On an average, healthy resting heart rate for men lies in the range of 65 to 70.