1. if the person is saying goodbye to everyone and saying sorry and how much they love them
2. if they write a note
3. when the person starts giving up on everything
4. if the person is drowning in self pity they tend to think suicidal
5. signs of being depressed or emotional outburst for no reason
Steroids promote the growth of muscle
68-69 is the correct answer
Answer:
antibodies
Explanation:
The third line of defense is specific resistance. This system relies on antigens, which are specific substances found in foreign microbes. Most antigens are proteins that serve as the stimulus to produce an immune response. The term "antigen" comes from ANTI-body GENerating substances.