The statement is true. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may effect part or all of a lung. An airway blockage also can cause Atelectasis. A blockage may be due to a foreign object, a mucus plug, lung cancer, or a poorly placed breathing tube from a ventilator. When a blockage occurs, the air that's already in the air sacs is absorbed into the bloodstream.
Answer:
C
Explanation:
all living things are made of up many cells
A human starts with” 1 “cell and by the time they are an adult, they have “ 50 trillion “ cells
In order to get the period which is between the heart beats, sixty seconds or one minute should be divided by the number of beats per minute. If heartbeats at seventy times per minute then we divide sixty seconds by seventy.
60/70= 0.86 seconds.
Answer:
I think granitic rock would contain more mineral quartz.
Explanation:
Because the magma cools slowly, crystals of different minerals have time to grow. Molecules in the lava do not have time to arrange themselves to form large crystals. Extrusive rocks have crystals that are too small to see without magnification. A common example of an extrusive igneous rock is basalt.
