Ap lab

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What are skeletal muscles associated with?

Movement of the body
What are the 3 types of contractile cells (ie three types of muscle) in the body?
- Smooth
- Cardiac
- Skeletal
Is skeletal muscle striated? Is it voluntary or involuntary?
- Yes
- Voluntary
Is cardiac muscle striated? Is it voluntary or involuntary?
- Yes
- Involuntary
Is smooth muscle striated? Is it voluntary or involuntary?
- No
- Involuntary
What is the name of the connective tissue that wraps an entire muscle?

Epimysium
What makes up skeletal muscle?

Facscicle
What is a fascicle?

A bundle of muscle cells bound together by connective tissue to form a functional unit.
What is the connective tissue that wraps the fascicle?

Perimysium
What is the connective tissue found within a fascicle?

Endomysium
What are the 2 functions of the endomysium
- Seperates muscle cells
- Electrically insulates muscle cells
What 2 functions do the connective tissue layers of muscles have
- Strength
- Support
What are the connective tissue layers of muscle continuous with at the ends of muscles

Tendons
what is amother name for a muscle cell?

Fiber
What are myofibrils made up of?

Individual contractile proteins called myofiliments
What are the 2 types of myofiliments
- Thin myofiliment
- Thick myofiliment
What protein makes up thin myofiliments

Actin
What protein makes up thick myofiliments

Myosin
What are the alternating light and dark bands that result from the arrangement of thick and thin myofiliments

Striations
What is the contractile unit of a muscle cell

Sacromere
List the organized levels of skeletal muscle from largest to smallest
- Myofiliments
- Myofibril
- Muscle cell (musclfiber
- Fascicle
- Muscle

Author:	sjmjr
ID:	142733
Card Set:	Ap lab
Updated:	2012-03-20 19:20:40
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