The answer is a.Tapeworms living in a mammal's intestinal tract
True, definitions can vary, but this one will do
The human initiator of a communication message is called the <u>source</u>, and the intended human target is called the <u>receiver</u>.
In communication, source and receiver are integral components of communication and they possess key importance.
In order to convey the message to the right person, the source makes sure to choose the right, accurate and best words to encode the message.
After this, he sends the info. to the receiver in the best possible way.
After receiving the message tries to understand it and respond correctly. This is called decoding.
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A pressure gradient established between the atmosphere and the alveoli