Capillaries: Function & Definition


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question 1 of 3

Which of these statements shows the size of blood vessel walls starting with the thickest first?

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1. Why do capillaries need to connect arteries and veins?

2. Which of these molecules diffuse OUT of most capillaries?

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About This Quiz & Worksheet

The printable worksheet will teach you more about capillaries, which are the smallest blood vessels in the body. If you take the interactive quiz in conjunction with studying the worksheet, you can test yourself on specific biological facts regarding capillaries and their functions.

Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

  • The relative sizes of blood vessel walls
  • Why capillaries connect to arteries and veins
  • What types of molecules move out of capillaries and into capillaries
  • What continuous capillaries are

Skills Practiced

This worksheet and quiz let you practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on the function of capillaries
  • Distinguishing differences - compare and contrast topics from the lesson, such as the movement of molecules into and out of capillaries
  • Information recall - access the knowledge you've gained regarding what capillaries are and what they do in the body

Additional Learning

To learn more about blood vessels, review the corresponding lesson on the function of capillaries. This lesson covers the following objectives:

  • Identifies what capillaries are
  • Understands their structure and function
  • Provides a comparison of different blood vessels
  • Discusses what capillary beds do