Capillaries are the end structures in the artery system that bring oxygenated blood from your lungs to the rest of your body.
<span>a large body of water surrounded by land.</span>
The cell is the smallest functional unit of life, which is why it is sometimes referred to as the building block of life.
I don't know if this helps or not but you would want to know the age of the rock (absolute dating) and from there you will be able to know the age of the fossil and what caused it to die.
