In the structure of a muscle, several fascicles lie bundled together to form a muscle, just as several lie together to form compact bone tissue. each muscle fiber, which is a muscle cell, consists of protein fibers. similarly, the matrix that lies outside bone cells consists of a protein fiber called .

What is the difference between muscular strength and muscular endurance? a. strength refers to mobility of joints, while endurance refers to muscular force. b. strength refers to percentage of body fat, while endurance refers to sustaining activity over time. c. strength refers to muscular force, while endurance refers to sustaining activity over time. d. strength refers to the quality of physical performance, while endurance refers to mobility of joints.

If you are having a hard time lifting something, you should arch your back. a. true b. false

What does cooper mean when she says “…non-nutrient foods are really, really cheap which is why i say it’s a social justice issue.” (7: 50 in video)