1. Pathogens enter the body through a cut in the skin
2. Cells recognize the foreign invaders
3. Histamine is released
4. White blood cells travel to the invaded area
Hope it helps.
Answer:
Alright...
Explanation:
In a perfect world, I would split the land 50/50. Natural resources are important, and yes, if we would like a future on this planet, we should strive to find alternatives, but in the meantime, splitting it is the smartest thing to do. I would also suggest to make it mandatory to replant all the trees lost in a connecting area if possible.
The answer is d a flatworm
Answer:
the gallbladder.
Explanation:
A rat's digestive system differs from that of a human digestive system in two ways: it does not have a gallbladder and it has an enlarged cecum or large