Multiple Choice
Which animal(s) can get needed oxygen by diffusion of the gas across a body surface and can distribute oxygen without the need of a specialized circulatory system?
A) fish
B) flatworms
C) fish and flatworms
D) sea anemones
E) sea anemones and flatworms
Correct Answer:

Verified
Correct Answer:
Verified
Q24: There are approximately _ alveoli in the
Q25: The small air sacs of the lungs
Q26: The hormone erythropoietin (EPO)stimulates the production of
Q27: When biologists Hetz and Bradley measured the
Q28: The medulla has receptors that monitor H<sup>+</sup>
Q30: If a smoker deliberately held their respiration
Q31: You are dealing with a patient in
Q32: In working to maintain homeostasis in oxygen
Q33: Hemoglobin is a(n)_-rich pigment that carries oxygen.<br>A)
Q34: Figuer: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4116/.jpg" alt="Figuer: -What