Multiple Choice
What differentiates a closed circulatory system from an open circulatory system?
A) the presence of a heart
B) the presence of a circulating fluid
C) the presence of vessels
D) dcirect contact of circulating fluid with tissues
Correct Answer:
Verified
Correct Answer:
Verified
Q1: During periods of activity,when the heart rate
Q2: How many hearts does an octopus have?<br>A)1<br>B)2<br>C)3<br>D)4
Q3: How do substances move across capillaries?<br>A)diffusion<br>B)through pores<br>C)transcytosis<br>D)all
Q5: Cardiac contraction is called _.
Q6: Capillaries empty into _.
Q7: Fish hearts consist of _ chambers arranged
Q8: Based on the law of bulk flow,what
Q9: How do cardiomyocytes communicate with one another?<br>A)neurotransmitters<br>B)gap
Q10: Total flow in the vertebrate circulatory system
Q11: How do veins prevent the backflow of