Biology 0610 · IGCSE · Circulatory systems

Circulatory systems — practice question

What is the order of the organs through which blood moves during one complete circulation of a fish’s body?

  • Amuscle $\rightarrow$ heart $\rightarrow$ gill $\rightarrow$ muscle
  • Bmuscle $\rightarrow$ gill $\rightarrow$ heart $\rightarrow$ muscle
  • Cmuscle $\rightarrow$ heart $\rightarrow$ gill $\rightarrow$ heart $\rightarrow$ muscle
  • Dmuscle $\rightarrow$ gill $\rightarrow$ heart $\rightarrow$ gill $\rightarrow$ muscle

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