The answer to this question is the drug "Beta-1 Adrenergic" which is also known as ADRB1. It is a certain drug that affects and decreases the heart rate by simply blocking a receptor on cardiac pacemaker cells. This drug also probably binds to Beta-1 Adrenergic.
It would all of the above. As you need all of them for a healthy body.
Your answer would be <span>HMO.
Hope I helped <3
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Answer:
"The younger child might believe that her anger at her brother caused his illness; she will need reassurance that she does not have that power."
Explanation:
