muscular system pig anatomy worksheet (37 pts) name: 1. what are the three types of muscle? 2. what is the difference between the origin and insertion of a muscle? 3. what is the difference between a muscle that adducts and one that abducts? 4. what is the difference between a flexion and extension of a muscle?(internet search this) 5. what page is the illustration on how to skin your pig?

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Accepted Answer

### Question 1
# Brief Explanations:
The three types of muscle are skeletal (attached to bones, voluntary movement), smooth (in organs, involuntary), and cardiac (in heart, involuntary, striated).
# Answer:
Skeletal muscle, Smooth muscle, Cardiac muscle

### Question 2
# Brief Explanations:
Muscle origin is the fixed/less movable attachment site (proximal), insertion is the movable site (distal) that moves during contraction.
# Answer:
Origin: less movable/fixed muscle attachment (proximal). Insertion: movable muscle attachment (distal) that moves with contraction.

### Question 3
# Brief Explanations:
Adductor muscles move a body part toward the midline. Abductor muscles move a body part away from the midline.
# Answer:
Adduct: moves body part toward midline. Abduct: moves body part away from midline.

### Question 4
# Brief Explanations:
Flexion decreases a joint’s angle (e.g., bending elbow). Extension increases a joint’s angle (e.g., straightening elbow).
# Answer:
Flexion: decreases joint angle. Extension: increases joint angle.

### Question 5
# Brief Explanations:
The page number for the pig - skinning illustration depends on the specific textbook or lab manual used. Typically, in anatomy lab manuals with pig dissection, it's in the dissection instructions section (e.g., page 25 - 30 in some common manuals, but exact page varies by publication).
# Answer:
Depends on the specific textbook/lab manual (e.g., often in the pig dissection instructions section, page varies by publication).

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