is to manage the blood circulation to the heart muscle. The Left main
coronary artery (LMCA) distributes blood to the left side of your heart
muscle and the Right coronary artery (RCA) distributes blood to the right
atrium, right ventricle, sinoatrial (SA) and atrioventicular (AV) nodes, which
controls your heart rhythm.
From the two examples of human activities that have an impact on water; Burning trash has a negative effect on water
<h3>Effect of trash burning and argument</h3>
Trash can be defined as wastes, majorly household waste materials that are disposed. Burning of trash is very harmful to the health as well as water.
When we burn our trash we release some harmful chemicals into the atmosphere that get to mix with water precipitate and the come down to earth as either rain or snow.
In conclusion, Burning trash has a negative effect on water
Learn more about trash : brainly.com/question/3406415
#SPJ1
C bc it deals with both of those systems
The correct answer is absolute threshold.
Absolute threshold is a neurobiological term referring to the lowest level of a stimulus that a person is able to detect. The stimulus can either be touch, sound, taste or light.
Regarding taste, the absolute threshold of taste is the lowest concentration of a certain compound which can be detected by the human sense of taste.