Lesson 2: Intro to A & P

Question 1

Skeletal muscle fibers

Answer 1

form the skeletal muscles of the body

Question 2

cardiac muscle fibers

Answer 2

form the muscle of the heart allowing it to beat (myocardial muscle)

Question 3

smooth muscle fibers

Answer 3

form smooth muscle of the body typically seen in organs and blood vessels

Question 4

tendons

Answer 4

attach muscles to bones

Question 5

origin

Answer 5

bone attachment point closest to the body at the immovable end

Question 6

insertion

Answer 6

bone attachment point at the moveable end

Question 7

Cervical vertebrae (C1-C7)

Answer 7

first seven vertebrae that protect the cervical spinal nerves of the neck

Question 8

Thoracic vertebrae (T1-T12)

Answer 8

12 vertebrae that protect the spinal nerves of the thorax

Question 9

Lumbar vertebrae (L1-L5)

Answer 9

5 vertebrae that protect the spinal nerves of the lumbar

Question 10

sacrum

Answer 10

triangular bony structure of the lower back that curves and is composed of 5 vertebrae fused together

Question 11

Fibrous joints

Answer 11

hold bones tightly together (like sutures)

Question 12

cartilaginous joints

Answer 12

allow slight movements and connect bones with cartilage (

Question 13

synovial joints

Answer 13

two bones connect to allow wide range of motion
ex: ball and socket joints, hinge joints

Question 14

ligaments

Answer 14

connect one bone to another bone or join bone to cartilage

Question 15

bursa

Answer 15

fibrous sac that acts as cushion to ease movement in areas of friction