ch 23

Question 1

what is that goopy stuff in the middle

Answer 1

yellow bone marow

Question 2

what type of bone is around the marrow

Answer 2

compact bone

Question 3

whats the tough layer on the outside of the bone called

Answer 3

paryosteum

Question 4

on the long bone instead of compact bone whats on the end

Answer 4

sponge bone

Question 5

why is the surface on bone smooth

Answer 5

to slide past each other smoothly

Question 5

what is the bone made out of

Answer 5

cartilage

Question 5

blood vessels cant go thoourhg compact bone but can go throught he

Answer 5

haversian canals

Question 6

what are the dots that surround

Answer 6

osteocytes

Question 6

what is the majority of the bone made out of

Answer 6

calcium and phospherous

Question 7

what are osteoclasts

Answer 7

they chew up cells that arent doing good

Question 8

what cells form new bones

Answer 8

osteoblasts

Question 8

what is the porcess of bone formation

Answer 8

ossification

Question 9

when does ossification start

Answer 9

6-7 week before birth

Question 9

what are teh tissues that make up the joint area

Answer 9

ligaments

Question 9

what is at the end of each bone

Answer 9

a growth plate/ephiseal plate

Question 9

what do sinovial cavety make

Answer 9

sinovial fluid

Question 10

what is sinovial fluid for

Answer 10

lubrication

Question 10

what are bursa

Answer 10

a small, fluid-filled sac that acts as a cushion between bones, tendons, and muscles

Question 10

what is it called when the bura gets swollen a bit

Answer 10

bursatis

Question 10

what are muscles made up of

Answer 10

muscle bundles

Question 11

what are within muscel fibers

Answer 11

myofibrils

Question 12

what are musccle cells made up of

Answer 12

myofibril

Question 13

what is myofiril made up of

Answer 13

sarcomere

Question 14

what thick/thin filament is in sarcomere

Answer 14

myosin,and actin

Question 15

what is neuromuscular junction

Answer 15

a specialized synapse where a motor nerve fiber connects with a muscle fiber

Question 16

what is striated muscle

Answer 16

also known as skeletal muscle is attached to bone and its movement is voluntary

Question 17

what is cartilage

Answer 17

A tough, flexible tissue that lines joints and gives structure to the nose, ears, larynx, and other parts of the body.

Question 18

what is the axial skeleton

Answer 18

he central core of the body, made up of 80 bones in the skull, neck, back, and ribcage

Question 19

what is the appendicular skeleton

Answer 19

the part of the human skeletal system that consists of the bones in the limbs (arms and legs) and their supporting structures.

Question 20

what is the whole skeletal system a part of

Answer 20

the musculoskeletal system

Question 21

what are the three types of muscels

Answer 21

smooth cardiac and skeletal muscel