Chapters 34-36 Flashcards
Internal, bag-like respiratory organ of a vertebrate that enables gas exchange between the air and the blood.
Lung
Tubelike structures in the kidneys that filters wastes from the body and retains useful molecules
Nephron
Specialized sensory system running the length of both sides of a fish’s body.
Lateral Line
Vessel that carries oxygen rich blood from the lungs to the heart
Pulmonary Vein
Hard plate that covers the gills on each side of the head of bony fishes
Operculum
A thick wall that divides the heart’s atrium or ventricle into left and right halves.
Septum
The gas-filled sac of bony fishes used to regulate their buoyancy
Swim Bladder
Egg containing a water and food supply, key to reproduction on land.
Amniotic Egg
Microscopic air sac in the lung where oxygen and carbon dioxide are exchanged
Alveoli
Feather that provides insulation and shape to adult birds.
Contour feather
Feather that covers young birds and insulates adult birds.
Down feather
Term that describes organisms that produce eggs that hatch outside the mother’s body
Oviparous
Term that describes organisms that produce eggs that are retained in the body until or just before hatching.
Ovoviviparous
Filament of dead cells and keratin used for insulation.
Hair
Length of time between fertilization and birth.
Gestation period
