Examlex
Ways in which slaves expressed elements of their African heritage included
One-way Air Flow
A respiratory adaptation in some animals, such as birds, allowing air to pass through lungs in a single direction for more efficient gas exchange.
Horny Beak
A hard, keratinous structure found in birds and certain reptiles, used for feeding, grooming, and other behaviors.
Respiratory Air Sacs
Membrane-enclosed spaces in birds that are part of the respiratory system, aiding in oxygen exchange and making flight more efficient.
Three-chambered Heart
A type of heart structure found in amphibians and some reptiles, consisting of two atria and one ventricle.
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