If you are supposed to get your answer from the passage, one could gather that you need to maintain a healthy lifestyle to keep you growing so that these genes are not diminished, a leading factor in cancer.
Answer:
Norepinephrine also stimulates serotonin release by binding α1-adrenergic receptors located on serotonergic neurons in the raphe. α1-adrenergic receptor subtypes increase inhibition in the olfactory system, suggesting a synaptic mechanism for noradrenergic modulation of olfactory driven behaviors.
I say a lot of sun light gets absorbed into the atmosphere by my calculatons it a lot to a little bit more
They breathe through their skin. Air dissolves on the mucus of their skin, so they MUST stay moist to breathe. If worms dry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm's circulatory system, and the worm's hearts pump the oxygenated blood to the head area.
Renal Failure is the severe impairment or total lack of KIDNEY function.