Involuntary smooth muscle
- Created by: alice
- Created on: 21-02-13 00:20
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- Involuntary (smooth) muscle
- Found in walls of intestine, iris, wall of arteries and around arterioles
- Controls light intensity entering eye
- Peristalsis- moves food along intestine
- Controls blood flow
- Innervated by neurones of the autonomic nervous system
- Spindle-shaped
- 500 µm long
- 5 µm wide
- Contraction is relatively slow, muscle tires very slowly
- Contain small bundles of actin and myosin, also a single nucleus
- Found in walls of intestine, iris, wall of arteries and around arterioles
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