The Sun is the main cause for our weather, and different season (in different areas where you live it depends on how hot or cold it is also caused by the sun)
Most seasons, like in summer it's hot Also caused by the sun, in winter it snows because the sun is in a different location.
The human heart has only 4 chambers. Left and right atria and left and right ventricles.
The major adaptive advantage of cellular respiration is that they produce ATP.
Answer:
Heart
The
striated muscle tissue with
relatively small cells that have one or two nuclei can be found at the heart. The intracellular calcium signaling is an intrinsic component
of signal transduction pathways that regulate vital aspects of muscle function
including excitability, force production, protein synthesis, and energy
expenditure that occurs in the striated muscle tissue of the heart.