PathFit_M2_L2_S1
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20 Terms
600 Muscles
How many muscles in a human body?
206 Bones
How many bones in a human body?
Muscles
It perform many useful functions and help us in doing everything in day-to-day life
Muscular System
Is an organ system consisting of skeletal, smooth, and cardiac muscle.
Muscular systems in vertebrates
These are controlled through the nervous system although some muscles can be completely autonomous.
Striated Muscle
The muscle which has a large number of cross-striations (transverse lines).
Non-striated muscle
The muscle which does not have cross-striations and also a plain muscle or smooth muscle. It is found in the wall of the visceral organs.
Concentric Contraction
It produces tension while shortening to overcome external resistance. This is normally what is focused on when going to the gym.
Isotonic and concentric
Isotonic and eccentric
Isometric
What are the 3 main types of muscular contraction?
Skeletal Muscle
The muscle in association with bones forming the skeletal system and muscles supplied by somatic nerves.
Cardiac Muscle
The muscle forms the musculature of the heart and supplied by autonomic nerve fibers.
Smooth Muscle
The muscle is situated in association with viscera and called visceral muscle, it is also supplied by autonomic nerve fibers.
Muscles contract
If one ___ to bring two bones together, another muscle is needed to contract the bones apart again.
Voluntary muscles
The muscle that is controlled by the will. Skeletal muscles are the ___ muscles, these are innervated by somatic nerve.
Involuntary muscles
The muscle that cannot be controlled by the will. Cardiac muscle and smooth muscle are the examples, these muscles are innervated by autonomic nerves.
Tendon
The muscle fibers end in a strong, white flexible cord, called a ___
PERIOSTIUM
At the bone, the fibers of the tendon are embedded in the_____ of the bone.
Tendons
It join muscle to bone.
Ligaments
It join bone to bone.
Isometric
It is the muscles stay the same length as they contract.
Note 
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