Structures/Functions
Which of the following is NOT a function of the Skeletal System? Structure, support, storage, regulation of body temperature, protection.
Regulation of body temperature
Which cartilage is used to make the fetal skeleton?
Hyaline!
What mineral makes compact tissue tough and appear white in color?
Calcium!
Which types of bones are smaller and more cube-shaped?
Short bones!
Describe the first two phases of ossification.
Model phase and digestion/canoe phase.
Bones are pulled as levers by muscles... What function is this?
Movement!
Overall, cartilage is softer than bone. What is the purpose of having cartilage in the skeletal system?
Reduce friction in joints, cushion, connect bones together!
What is soaked in the spongy tissue?
Which types of bones make up our skull?
Flat bones!
What are the 2 locations cartilage is left over during ossification?
Articular cartilage, ephiphyseal plates
Discuss the relationship between joints and ligaments.
Joints are where two bones meet, ligaments hold them together.
What allows for bones to have tensile strength (flexibility)?
Collagen!
Which type of tissue is made up of smaller, looser bone pieces?
Spongy Tissue
Which types of bones make up our spine?
Irregular bones!
Which hormone is released by the thyroid gland in an attempt to LOWER high blood calcium?
Calcitonin
Which of the following structures is NOT considered a part of the Skeletal System? Bones, Joints, Ligaments, Tendons, Cartilage.
Tendons.
Name a location for each of the 3 types of cartilage (Hyaline, Elastic, Fibro).
Hyaline = prebone, in joints, nose, ear
Elastic = outer ear
Fibro = discs in spine
Which tissue is used for storage and protection?
Compact Tissue
Which types of bones are used for structure/supporting the body weight because it has thicker layers of compact tissue on a bone shaft?
Long bone!
When blood calcium levels are too low, which hormone is released to address this issue and which cells are activated?
PTH activate OsteoCLASTS
What is hematopoiesis, and where does it take place at within the bone?
Blood cell formation from bone marrow
Discuss the importance of EPIPHYSEAL PLATES. What are they made of and when do these plates seal off?
Epiphyseal plates are growth plates of cartilage that seal off at the end of puberty (end of growth stage of ossification)
Which osseous tissue is SUPERFICIAL and which one is DEEP?
Superficial=COMPACT
Deep=SPONGY
Which bone type is mostly responsible for hematopoiesis because it has more spongy tissue than the other bone types?
Flat bones!
If somebody's osteoblasts are active, discuss what this means in terms of blood calcium.
They had high blood calcium, so the osteoblasts have been signaled to move calcium from the blood to the bone (building bone).