It contracts and relaxes!
Hope this helped u!!
<span>A trait that improves the fitness of its bearer, compared with individuals without the trait.</span>
The answer is B.The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.
Answer:
Option B, C, D and E
Explanation:
While conducting research on human being, following conditions must be fulfilled
a) The subject must be made aware of the risk and result of the study
b) Subject must be aware of the study objective, time duration and post study impacts
c) Subject must be compensated for any injury caused during the study
d) Informed consent must be taken from the subject
e) The subject must beware of the possible uncontrollable scenarios. Also the test conducted must be testifiable on human being
f) The ill effects of the study can be anticipated if the result obtained are worthy enough
Considering the above facts, option B , C, D and E are unavoidable
Mouth assessment is perform to check a person’s health.
Upon examining, the soft palate is moist and pink with whitish spots, which may
indicate an infection usually tonsillitis. The person must be advised to visit
a physician for a healthy soft palate must be free from any spots or patches and pain.
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