Answer:
It could have been many things. A few possibilities based off of the information given could be paramecium, amoeba, or euglena
Explanation:
The right answer is pectinated muscles.
The right atria extends between the two cellar veins. It is of rounded aspect, but for the simplification of its description, it is assimilated to one cube having 6 walls:
Anterior wall
A lower wall
A posterior wall
A top wall
An inner or septal wall
An outer or straight wall: relatively thin, has muscle thickenings: pectinated muscles. This is the preferred route of choice for cannulations during cardiac surgery under extracorporeal circulation.
Answer:
Explanation:
For earthquakes, there's the Richter scale. For hurricanes, the Saffir-Simpson wind scale. For tornadoes, we use the enhanced Fujita scale. Now scientists are developing the wildland urban interface (WUI) hazard scale, a tool that will help predict the threat and measure the severity of wildfire.