tesadeshazer
15.10.2019 •
Biology
Drag the tiles to the boxes to form correct pairs.
use the hertzsprung-russell diagram to determine which condition describes each star. use the arrows to you locate the stars.
30 h
203
supergiants
10
yrs
polaris.
main
giants
lifetime
sequence
10
yrs
st
vega
a
lifetime
10yrs
luminosity (solar units)
ca
lifetime
10 yrs
lacalle 9052
0.3 m .
725 a
102
white
dwarfs
lifetime
1091 yrs
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Ответ:
Atrium
Ventricles
Explanation:
The upper chambers of the heart are called atrium whereas the lower chambers are called ventricles.
The heart is at the center of the circulatory system which moves blood round the body.
At the atrium, blood returning from the lungs and body parts fills up this part of the heart. It is divided into a left and right atrium. The ventricles pumps blood out of the heart into the body parts and lungs. It has a thicker wall.