Answer:
The immune system protects the host from pathogenic organisms (bacteria, viruses, fungi, parasites). To deal with this array of threats, the immune system has evolved to include a myriad of specialised cell types, communicating molecules and functional responses.
Explanation:
The miThe migration of birds.
Answer:
According to the Cornwall Alliance, Earth is which of the following? The resilient creation of God’s wise design
Explanation:
It’s symmetrical if it’s equal on both sides?
