section 4 deez Flashcards
(16 cards)
What type of epithelium is simple cuboidal?
Found in glands.
What type of epithelium is stratified columnar?
Found in the digestive system.
What is the cardiovascular system made up of?
The heart and blood vessels.
How does an exchange of substances occur?
Through interstitial fluid.
What do arteries do?
Carry blood AWAY from the heart.
They carry oxygenated blood.
What do veins do?
Carry blood TO the heart.
They carry deoxygenated blood.
What are capillaries?
They form capillary beds where gas, nutrient, and waste exchange occur.
How many bones does the skeletal system have?
206 bones.
How many bones do newborn skeletons have?
270 bones.
What is a joint?
Where two or more bones connect.
What is a fibrous joint?
Connected by fibrous tissue, with little to no movement.
What is a cartilaginous joint?
Connected by cartilage, allowing limited movement.
What is a synovial joint?
Freely moveable, lubricated and nourishes joints.
What are osteoblasts?
Bone-forming cells that secrete the matrix of bones and promote deposition of calcium salts into the matrix.
What are osteocytes?
Mature bone cells that osteoblasts turn into, located within lacunae.
What are osteoclasts?
Bone-absorbing cells that break down bone.
