1 is correct. 2 is also correct. 4 is correct as well.
Answer:
a journey from earth to the nearest galaxy in milky way
Mutualism, where both organisms benefit. -Commensalism, where one organism benefits while the other organism is not harmed.
The diaphragm in the diagram below is a muscle that contracts during inhalation. thus option A is correct option.
<h3>What is the role of the diaphragm?</h3>
The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily.
Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
Learn more about the diaphragm here:
brainly.com/question/12920059
#SPJ1
