You can only see them under a microscope. Cells group themselves together to make up the tissues and organs of our bodies. They are a bit like building blocks. The diagram below shows what cells look ...

The heart is used as an example of an organ which is made up from muscle and valve tissue. Students can draw diagrams showing how cells, tissues and organs are different but connected. The class ...

This heart anatomy diagram shows that blood flows from ... left atrium through the pulmonary veins. Like all organs, your heart is made of tissue that requires a supply of oxygen and nutrients.

The cells are so small that we can only see them under a microscope. Cells group together to make up the tissues and organs of our bodies. They are very similar. But vary in some ways because body ...

That said, some scientists include fewer layers of tissue in this estimate and suggest that the average adult's skin accounts for closer to 6% of their overall body weight. You may like Cancer ...

The liver is truly an amazing organ because it has the capacity to regenerate. This means that after an injury or surgery to remove tissue, the liver tissue can grow back to a certain extent.

The heart is used as an example of an organ which is made up from muscle and valve tissue. Students can draw diagrams showing how cells, tissues and organs are different but connected. The class ...