Grade+9+2.5+Transport+in+animals

So, now that we have competed the final project details we can return to the second part of this unit which will deal with the vascular systems found within the human body. Part of this unit will include the dissection of a mammalian heart and if you don´t feel that you are able to do this... let your teacher know as soon as possible so that alternate arrangements can be made.

How do we breathe? Test yourself:

[|Test yourself: how we breathe]

So, what is the heart? How does it function? These questions and more can be answered here:

[|Your Heart and Circulatory system]

Below you will find an extremely useful video that will guide your understanding of the heart and its function within the body:

media type="youtube" key="MduG0mbW09A" height="480" width="853"

Blood flow through the heart can be a little difficult to imagine especially as both sides are pumping at the same time. This animation can help you understand the process.

[|Blood flow through the heart.]

You can improve your knowledge by completing this interactive animation:

[|Map of the Human Heart]

or by viewing this link concerning organ transplantation:

[|Heart structure and function]

Below is a webquest that you will need to complete as part of this section:



Finally there is the dissection. Below you will find the rubric and guide for the practical: And here is a video for you to review before you begin:

media type="youtube" key="-vsHgj1f0XE" height="480" width="640" align="center"

And to prep you for the dissection:

Activity: Transport in animals and plants Cells and tissues Types of tissues Circulatory presentation (vessels) Activity : A mix up