Answer:
True
Explanation:
- First line refers tp the physical and chemical barriers of our body, skinn, mucus, tears, stomach acids, etc.
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Second line is the non-specific immune responses, this line is formed by macrophages, neutrophils, etc
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Third line is the specific immune responses done by the T Cells and B Cells, cells with memory.
I hope you find this information useful and interesting! Good luck!
OK so for this one flexibility programs are designed for all ages because you can stretch and do any kind of exercise that involves stretching so the best choice is option D.
Answer:
genetic abnormalities ( last choice)
I'd put C, breathing due to lung damage