Answer:
The control group is defined as the group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
The parts of a body can be compared to the parts of a house because:
All the parts of the house help the house stand up, and same with your body. All your bones help you stand up and walk around and get moving. This is how parts of a body can be compared to a house. Hope this helps!
Answer:
The <u>Orbicularis oris</u><u> </u>causes the lips to close and pucker during kissing, whistling and speaking.
Explanation:
<u>Orbicularis oris muscles are facial muscles which are located in the thickness of lip around oral opening. </u>
The muscle consists of two main parts
(a) Marginal part consisting of the longitudinal fibers -Closes the oral opening.
(b)Labial part consisting of the circular fibers - pushes the lips forward.
The main function of the orbicularis oris is closing of the mouth. It puckers the lips when it contracts.
These muscles are used to do actions like kissing, whistling and speaking.
Thus,
The <u>Orbicularis oris </u>causes the lips to close and pucker during kissing, whistling and speaking.
