This is true. Endorphin's are released during exercise and cause a euphoric feeling.
The correct answer is PPO
Further Explanation:
The insurance that Charlotte has is called a PPO. This allows her to receive her healthcare services from any healthcare provider that accepts her insurance.
This is also known as Preferred Provider Organization. When a person has this type of insurance plan they will not need to have a referral to see a specialist or any other doctor that they may need to see. Cost sharing is used in these types of insurance policies.
The other type of insurance is called a HMO.
Learn more about PPO's at brainly.com/question/3456143
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So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.
3) fatigue
4) meditation
5) alarm
