Match these items.

Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
the fluid that runs through the circulatory system
95 percent water
the lower part of the heart
a gas expelled by the body through the lungs
the upper part of the heart
help to stop bleeding
carry oxygen to the cells and take carbon dioxide away
help the body fight infection