In Waller's experiment, he placed each of his feet into a pan containing ____.
A) carbon dioxide
B) iron
C) mercury
D) pure water
E) salt solution
Correct Answer:
Verified
Q1: An open circulatory system _.
A) contains blood
Q2: The main function of erythrocytes is to
Q3: The _ component of plasma constitutes antibodies.
A)
Q4: The _ is an accessory system of
Q5: Erythropoietin, a hormone that stimulates stem cells
Q7: The _ components of blood are involved
Q8: Which animal has a gastrovascular cavity?
A) earthworm
B)
Q9: The two most abundant ions in plasma
Q10: The purpose(s) of two circuits in a
Q11: The gastrovascular cavity of a sponge serves
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