muscular system chapter 8

Question 1

Muscle movement occurs when

Answer 1

chemical energy (obtained from food) is converted into mechanical energy

Question 2

Skeletal Muscle also called

Answer 2

striated or voluntary muscle

Question 3

striated or voluntary muscle They are characterized by many

Answer 3

crosswise stripes and multiple nuclei.

Question 4

Cardiac muscle fibers

Answer 4

are also cylindrical and branchedHas dark bands called intercalated disks

Question 5

Smooth muscle fibers are

Answer 5

tapered at each end and have a single nucleus

Question 6

Muscle organs:

Answer 6

A skeletal muscle is an organ composed mainly of skeletal muscle fibers and connective tissue.