My Health book and it's surprises.

Hi Everyone,

Today is about my Health book and how it likes to surprise me.
I am in unit 1 it is called Physical Fitness: The active life..Aka Chapter 1-2.

The Cell Membrane  is the part that surrounds and protects the other parts of the cell.
It forms the outer most layer through which nutrients and oxygen maybe transported
into the cell and waste such as carbon dioxide maybe removed from the cell.
The Cell Membrane is very selective, allowing certain substances to enter the cell;
if the membrane shall ever malfunction, the delicate, vital inner part's of the cell could
easily be invaded by harmful substances from outside the cell membrane, and the cell would
die in a short time.

This is it alive.



A dead Cell Membrane.





Lymph Nodes, enlarge bunches of lymphatic tissue located at various points along the
lymph vessels, in which the lymph is cleansed of debris and microbes.
Lymph nodes are somewhat bean-shaped and may come in a variety of sizes, though
most are about 1inch long.


 Lymph Node.







Heart and Aorta.




 Cardiac Muscle.



Thank you, for reading have a excellent day!