Meeting Tissue Needs Flashcards
Types of connective tissue?
Blood, bone, cartilage
Gap junctions
connected between 2 cells for communication
Tight junctions
maintain polarity, connections between cells
Squamous
cells that are scale shape
Cuboidal
High and wide shape, one simple
Columnar
many, STRATIFIED
What are the functions of epithelia?
Protection
Physical barrier
control movement of substances-diffusion, active transport
Advantage of simple squamous epithelium in lungs?
maximize o2 absorption
Advantage of simple columnar epithelium in gastro intestinal tract?
absorption, protection, specialized cell types
Advantage of stratified squamous epithelium on SKIN?
Protection
Closed circulatory system most seen in?
Annelids, Echinoderms , vertebrates
Advantages closed circa system?
pressure, flow
Carbon dioxide enters the blood at the _____.
capillaries of the head, forelimbs, abdominal organs, and hind limbs
The _____ has(have) the thinnest walls.
capillaries
Function of renal system
removal of nitrogenous wastes
What phyla have gastrovascualr cavity
Cnidarians, Platyhelminthes
Gastrovascular cavity in Cnidarians
dibloblastic, large
Gastrovascular cavity in Platyheminthes?
triboblastic, very thin
Open Circulatory Systems seen in?

Arthropods, Brachiopods, Mollusks, tunicates !and lancelets!
What does the heart pump in open circa system?
Hemolymph
What type of arteries in open circa system?
open ended
Are there veins in open circ. system?
No, siinuses
What 2 separate fluids are seen in an closed circa. system?
blood, interstitial fluid
Vertebrate circ. system has how many chambers in heart in FISH?
2`, one circulatory loop