Pulmonary ventilation comprises two major steps: inspiration and expiration. Inspiration is the process that causes air to enter the lungs, and expiration is the process that causes air to leave the lungs. A respiratory cycle is one sequence of inspiration and expiration
DNA replicates into RNA molecule after transcription using one of its strand as a template.
Explanation:
The Transcription is the process of RNA molecule formation and it involves three steps in it, which are namely, initiation, followed by elongation and at the end is the termination.
The DNA strand taken for the transcription is unwinded by the help of the enzyme which provides for the template. The template helps in the formation of complementary base pairing which results into the mRNA molecule. The RNA molecule thus, formed is processed after.
The esophagus undergoes peristalsis and the muscular movements force the bolus to the stomach, even against the force of gravity.
<h3>Which is not an involuntary part of the swallowing reflex?</h3>
The tongue rolls chewed food into a bolus and pushes it to the oropharynx. larynx.
Thus, The esophagus undergoes peristalsis and the muscular movements force the bolus to the stomach.
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Answer: economies answer the economic questions of (1) what to produce, (2) how to produce, and (3) for whom to produce. What is produced? based on custom and the habit of how such decisions were made in the past. Many traditional economies are found in rural areas where people depend on members of their extended families.
