Skeletal system: bones

Question 1

what 3 things make the skeletal system?

Answer 1

1. bones
2. articulations-joints
3. associated cartilage

Question 2

what are the 4 types of tissues that bones are made of?

Answer 2

1. bones tissue– osseous tissue
2. nervous tissue, cartilage
3. fibrous tissue
4. connective and epithelial tissue that make up the blood vessels

Question 3

Define osseous

Answer 3

Bone tissue

Question 4

What is osteocalcin and what does it do?

Answer 4

• Hormone

- hormone that makes bones

Question 5

Does osteocalcin increase or decrease blood calcium levels?

explain the process

Answer 5

osteocalcin builds bone so anything that builds bones would decrease blood Ca+ levels

Question 6

bone is being built.

what hormone does it? and is the blood ca+ levela increasing or decreasing?

Answer 6

osteocalcin

blood hormone levels is decreasing

Question 7

when does the formation of the bony skeleton happen?

Answer 7

@ the 2nd month of development

Question 8

what type of bone growth happens from birth to early adulthood?

Answer 8

postnatal bone growth

Question 9

when does bone remodeling and repair happen?

Answer 9

lifelong

Question 10

what is another word for osteogenesis?

Answer 10

ossification

Question 11

what are two types of bone growth?

Answer 11

intramembranous ossification

and
endochondral ossification

Question 12

define Interstitial (longitudinal) growth

Answer 12

Increase in length of long bones

Question 13

define Appositional growth

Answer 13

Increase in bone thickness

Question 14

define Osteoid

Answer 14

the unmineralized, organic collagenous portion of the bone matrix that forms prior to the maturation of bone tissue.

Question 15

define Osteoblasts

Answer 15

begin the process of forming bone tissue by secreting theosteoidas several specific proteins.

Question 16

define Perochondrium

Answer 16

layer of dense irregular CTthat surrounds the cartilageof developing bone