What is the term used for secretions of endocrine glands responsible for changes taking place in the body?​

The production of cells during mitosis into specialized function is recombination or differentiation

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Ture or false evidence for evolution includes millions of fossils