Some Bio life has its own ways of surviving like animals will have more fur if they are in a cold area or Plants being able to survive in the cold
Your answer would be A. Phosphorus
The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body. This is done by the recognition of self and response to non-self.
Answer:
A
Explanation:
they are associated with venous sinuses.this valve open one way flow of direction of the heart.
