Question

1. this video is about muscle _tissue____ and how muscle _contact________ works.
2. muscle tissue is made up of muscle _fribet________; they are the muscle ___________.

types of muscle

1. cardiac muscle is found in the ______ and is controlled ___________.
2. smooth muscle is found in the organs of the __________ system and has a ______ nucleus.
3. skeletal muscle attaches to ______ or skin and is controlled ___________.

muscle characteristics

1. all muscle tissue can stretch or extend - this is called:

a) contractility b) extensibility c) excitability d) elasticity

Explanation:

1. Muscle tissue and muscle contraction are key concepts in the study of muscles.
2. Muscle fibers are the basic units of muscle tissue.
3. Cardiac muscle is located in the heart and is involuntary.
4. Smooth muscle is found in the digestive system (for example) and has a single nucleus.
5. Skeletal muscle attaches to bones and is voluntary.
6. Extensibility is the ability of muscle tissue to stretch or extend.

Answer:

1. tissue, contraction
2. fibers, basic units
3. heart, involuntarily
4. digestive (for example), single
5. bones, voluntarily
6. b) Extensibility