The human respiratory system<span> is a series of organs </span>responsible<span> for taking in oxygen and expelling carbon dioxide. The primary organs of the </span>respiratory system<span> are lungs, which carry out this exchange of gases as we breathe.</span>
<span>D.) He analyzed data collected by Tycho Brahe.
[ More Information. - Issac Newton </span>calculated the gravitational force on orbiting bodies, G. Galilei <span>examined the motions of planets through a telescope.]
Hope this helps!</span>
I think they can help the birds my the climate
<span>In a neuron, the dendrite is the part that receives the signal and sends the message to the cell body. The signal may come from a sensory receptor or from the axon of another neuron or set of neurons.</span>
Answer: A variable within a scientific experiment is something that is changed (i.e. it varies). There should be only one manipulated variable within a scientific experiment so that the experimenter can be certain it is this variable which causes a pattern in the resultant data, if any exists at all.
Explanation:
