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BJU Life Science 13
Bob Jones Life Science - Chapter 13
Question | Answer |
---|---|
vertabrate | An animal in the subphylum Vertebrata that has a backbone |
endoskeleton | An internal skeleton found in vertebrates and usually made of cartilage and bone |
bone | The connective tissue that forms part of the strong supporting structure of vertebrates |
cartilage | A flexible supporting tissue that makes up part or all of some animals' skeletons |
endothermic | Able to maintain a constant body temperature by internal means; warm-blooded |
actothermic | Not able to maintain a constant body temperature by internal means; cold-blooded |
oxygenated blood | Blood that carries an abundant amount of oxygen |
deoxygenated blood | Blood that contains little oxygen |
gill | A respiratory structure in fish and other aquatic organisms that exchanges oxygen and carbon dioxide in the water |
lung | An organ that exchanges gases between the atmosphere and the blood |
diaphragm | The part of a microscope that regulates the amount of light that passes through a specimen; the muscle that separates the thorax from the abdomen in mammals and humans and that aids in breathing |
central nervous system | The part of the nervous system consisting of the brain and spinal cord |
peripheral nervous system | The part of the nervous system consisting of sensory receptors, sensory organs, and the nerves that connect to the central nervous system |
stomach | A saclike portion of the digestive tract that performs mechanical and chemical digestion |
small intesting | The long, tubular organ in which most of the digestion and absorption of food occurs |
liver | The organ that produces bile, helps regulate substances in the blood, and stores vitamins and minerals |
large intestine | The part of the digestive tract that extends from the end of the small intestine to the anus and absorbs water and minerals |
berbivore | An organism that eats plants |
carnivore | An organism that eats other animals |
omnivore | An organism that eats both plants and animals |
kidney | An organ found in most vertebrates that filters wastes form the blood |