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.
The Answer is A.The biceps muscle contracts while the triceps muscle relaxes. Only then can the forearm move up to lift the mug.
If murmur is heard off of the chest, and there is an obvious pericardial thrill, this is a Grade 6 murmur.