BIO Grossmont College Vertebrate Circulatory Activity in Human Body Questions

Help me study for my Biology class. I’m stuck and don’t understand.

 

Please help me with this activity. Go to https://media.hhmi.org/biointeractive/click/circul… and follow the steps to briefly answer the questions. Follow each step as it said in the pdf I uploaded to find the answers. It should a very easy activity. Please make sure you do not copy from google.

 

Attachment preview 

1. Read the overview (text to the right) and answer the
following questions:

2a. Why is it important for fish to have a generally low
blood pressure?

2b.In general, how
did the circulatory system change as vertebrates evolved?

 

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