Muscular System
No description yet. This curated deck is ready for daily study.
Card preview (7)
Function
enables movement of and within the body
Special characteristics
contractible- able to shorten (and exert tension) extensible- able to be stretched excitable- able to respond to a neutral stimulus elastic- able to return (recoil) from being stretched
composition of muscle
water (70%), protein (22%) filaments and enzymes, lipids (7%) and CHO
Striated
Skeletal muscle striped appearance (under a microscope)
How much skeletal muscle constitutes
40% of total body weight
Bundles of Bundles
skeletal muscle is put together like a rope or braid
Bounded and Bounded
The muscle and each bundle is bound/covered by sheet of connective tissue which extends out either end of the muscle and merges with connective tissue from other bundles to form the tendon which attaches to the bone.