Answer:How long each heart beat are apart
Explanation:
the vein isnt conected to ur heart :P
Answer:
you can find carbon,hydrogen, oxygen, nitrogen, and phosphorus. Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words.
Explanation:
Are explained? or it has steps to solve somethin
This increase in volume leads to a decrease in intra-alveolar pressure, creating apressure<span> lower than atmospheric </span>pressure<span>. As a result, a </span>pressure<span> gradient is created that drives air into the </span>lungs<span>. Figure 3. </span>Inspiration<span> and expiration </span>occur<span> due to the expansion and contraction of the thoracic cavity, respectively.
</span>
Answer:
Explanation:
Stars about the size of our sun go through the same first four stages as does any other star. 1. They begin their lives as a nebula, 2. then become a Protostar, 3. eventually becoming a main sequence star 4. and finally a red giant. 5. but the more mass a star has the shorter its life.
hope this helped if it did I'm trying to rank up so brainliest is much appreciated. if I did get it wrong please tell me.
