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.
Is a branch of science concerned with the description, prediction, and understanding of natural phenomena, based on observational and empirical evidence.
<span>After strenuous exercise, a muscle cell would contain decreased amounts of ATP</span>
The nurse should recognize this as Chvostek sign.
<h3>What is
Chvostek sign?</h3>
A clinical indication that someone may have low blood calcium levels is the Chvostek sign (a decreased serum calcium, called hypocalcemia). The aberrant twitching of muscles that are stimulated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII) is known as the Chvostek sign.
The facial muscles on the same side of the face will occasionally contract when the facial nerve is touched in front of the ear (called ipsilateral facial spasm). Frequently, the muscles that regulate the nose, lips, and brows will spasm.
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