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26 Cards in this Set
- Front
- Back
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vertebrae |
segments of bone or some other hard substance that are arranged into a backbone |
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notochord |
A rod of tough flexible material that runs the length of creatures body, providing the majority of it support |
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endoskeleton |
A skeleton on the inside of the creatures body typically composed of bone or cartilage |
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bone marrow |
A soft tissue inside the bone that produces blood cells |
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axial skeleton |
The portion of the skeleton that supports and protects the head neck and trunk |
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appendicular skeleton |
The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it |
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closed circulatory system |
A circulatory system in which the oxygen carrying blood cells never leave the blood vessels |
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arteries |
bloodvessels that carry blood away from the heart |
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capillaries |
Tiny blood vessel’s that allows the exchange of gases and nutrients between the blood and the cells of the body |
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veins |
Blood vessels that carry blood back to the heart |
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olfactory lobes |
The lobes of the brain that receives signals from the receptors in the news |
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cerebrum |
The lobes of the brain that integrate sensory information and coordinate the creatures response to that information |
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optic lobes |
The lobes of the brain that receives signals from the receptors in the eyes |
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medulla oblongata |
The lobes that coordinate vital functions such as those of the circulatory and respiratory systems and transport signals from the brain to the spinal cord |
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internal fertilization |
The process by which the mail places sperm inside of the females body where the eggs are fertilized |
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external fertilization |
The process by which the female lays eggs and the mail fertilize them once they are outside of the female |
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oviparous development |
Development that occurs in an egg that is hatched outside the females body |
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ovoviviparous development |
Development that occurs in an egg and is hatched inside the females body |
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viviparous development |
Development that occurs inside the female allowing the offspring to gain nutrients and vital substances from the mother through a placenta |
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anadromous |
A life cycle in which creatures are hatched in freshwater, migrate to salt water as adults, and then go back to freshwater in order to reproduce |
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bile |
A mixture of salt’s and phospholipids the aids in the breakdown of fat |
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atrium |
The heart chamber that receives blood |
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ventricle |
A heart chamber from which blood is pumped out |
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ectothermic |
Lacking an internal mechanism for regulating body heat |
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hibernation |
a state of extremely low metabolism and respiration accompanied by lower than normal body temperatures |
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cerebellum |
the lobe that controls involuntary actions and refines muscle movement |
