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.
Answer:
Aspect, Biological
the external appearance of a plant community, which changes throughout the year in accordance with the succession of the phases of development of plants. As a rule, aspect is repeated year in and year out in almost identical sequence.
Explanation:
Fat contains 9 calories a gram