Term
| What are the three types of major muscle tissue? |
|
Definition
Skeletal or striated
Smooth or nonstriated
Cardiac |
|
|
Term
| How much of total body weight do muscles make up? |
|
Definition
| Muscles make up 35-45% of total body weight. |
|
|
Term
| What does skeletal (striated) muscle look like? |
|
Definition
| Striated muscle has alternating bands of light and dark bands when viewed under a microscope. It is made of long bands that form bundles. |
|
|
Term
| What system in the body controls skeletal muscle? |
|
Definition
| Skeletal muscle is under the control of the voluntary nervous system. |
|
|
Term
| What are the functions of the skeletal muscle? |
|
Definition
The functions of the skeletal muscle are:
Movement
Maintenance of posture
Heat Production |
|
|
Term
| Which muscle is made up of branched cells with many nuclei that are interwoven forming thick spiral bands around the ventricles of the heart? |
|
Definition
|
|
Term
|
Definition
| Produces slow rhythmic contraction of the heart, it is also know as the Cardiac Pacemaker. |
|
|
Term
|
Definition
| Made up of long cells, arranged in bundles each with a single nucleus. It is found in the hollow structures such as the digestive tract, urinary bladder and uterus. |
|
|
Term
| What are some of the functions of smooth muscle? |
|
Definition
| To alter the size of hollow organs - vasodilatation, or to move the contents along in the organ they are in, peristalsis contractions. |
|
|
Term
| What is the origin of the muscle? |
|
Definition
| It is the end of the muscle connected to the bone that is fixed. |
|
|
Term
| What is the insertion of the muscle? |
|
Definition
| It is the end of the muscle that attaches to the bone that moves. |
|
|
Term
| What causes muscles to shorten when chemically activated? |
|
Definition
|
|
