A paleontologist finds a fragment of a fossilized vertebrate that indicates that the animal had a three-chambered heart.The animal could have been a(n)
A) tuna.
B) lizard.
C) primate.
D) eagle.
E) crayfish.
Correct Answer:
Verified
Q27: In humans,the _ empties into the right
Q28: Which sequence represents the correct order
Q29: The amphibian heart
A) pumps only oxygenated blood.
B)
Q30: A paleontologist finds a fragment of a
Q31: Which vertebrate has a three-chambered heart and
Q33: Mammalian and bird hearts
A) pump only oxygenated
Q34: "Systole" and "diastole" refer to the _
Q35: Which structure or region in a four-chambered
Q36: A myogenic heart
A) requires nervous stimulation in
Q37: During the cardiac cycle in mammals,the blood
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