Chapter 13 Test Flashcards
Animals that cannot control their body temperatures internally
ectothermic
This type of blood is red
oxygenated and deoxygenated
The endoskeletons of all vertebrate animals
have a skull and vertebral column
A fish moves by ______________
flexing its entire body
The walls of a vertebrate heart chamber are made of _______
muscle
Lampreys and hagfish have no _____
jaw
How most fish reproduce
spawning
Blood that has a high level of carbon dioxide in it
deoxygenated
The muscle that helps mammals and humans breathe
diaphragm
Central nervous system includes
brain and spinal cord
Lungs have ________
capillaries
In healthy animals with a four-chambered heart, oxygenated blood and deoxygenated blood _____________
never mix
Most animals are __________
invertebrates
Mammals and birds are ___________
endothermic
Most fish have skeletons made of ________
bones