Our bodies have many natural defences. Our main internal defence would be our immune system which helps combat bacterial and viral diseases. Our main external defence would be our skin which protects our body and prevents pathogens and microbes from entering our bodies. Hope This Helps :D
Our bodies have many natural defences. Our main internal defence would be our immune system which helps combat bacterial and viral diseases. Our main external defence would be our skin which protects our body and prevents pathogens and microbes from entering our bodies. Hope This Helps :D
A white blood cell produces anti bodies to fight pathogens.
The epiglottis closes the airway when we swallow. You can see part of it hanging down in the back of the mouth.
the body's second line of defense against pathogens is the B cells.
Engulf pathogens, backteria, foreign bodies
Platelets.
We can't walk through walls because the atoms and molecules in our bodies are tightly packed together, creating a barrier that prevents us from passing through solid objects.
the immune system
Yes. Anything that comes into our bodies MAY contain pathogens.
Epligottis Opens A Flap of Tissue and Covers the Lung and makes it go through the Stomach. Your Welcome :3
Pathogens cause a variety of problems when they are inside our bodies. First, let's talk about bacteria. Most bacteria release substances which are toxic to our bodies: since this is inside us, it can damage our organs. Bacteria replicate very quickly and there is only a limited amount of room inside our bodies. This means that they quickly get overcrowded and then put pressure on our organs (further damaging them). In the case of viruses, it is extremely important that we can defend ourselves. Viruses enter our cells' nuclei and replace a part of our DNA with theirs. Normally, this is harmless but if the virus gets to an important part of our DNA, it can completely stop some of our body systems working. Due to all of these reasons, it is vital that we stop pathogens entering and damagind our bodies.