Answer:
1.d
2.b
3.c
Explanation:
I hope that thus helps, next time try not to let things go missing.
A) Lower life expectancy
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We have 5 vital organs heart kidneys liver and lungs. The human brain is the body’s control center so it’s a major role in the human body.
Answer: to defend itself
Explanation:
This natural reaction prepares you to either flee or protect yourself in dangerous situations. Your heart rate increases, your adrenal gland releases cortisol (a stress hormone), and you receive a boost of adrenaline, which increases energy. This fight-or-flight response occurs in the alarm reaction stage.