Answer:
Muscles I think like biceps and triceps works as antagonist when biceps contract tricep relax and vice versa.
Explanation:
Answer:
The correct answer is C. hormones
Explanation:
Sebaceous gland called oil glands are present in the skin which at the time of puberty cause higher sebum production which cause acne. So at the time of puberty hormonal change occurs and androgen level like testosterone level becomes high in the body.
This high level of androgen cause rise in the production of sebum from sebaceous glands and cause inflammation in that region and allow the colonization of bacteria like <em>Propionibacterium acnes</em> which results in the formation of acne. So hormonal change cause acne therefore the right answer is C.
Out of the given methods for determination of body composition, A. weight circumference<span> is the least expensive and most convinient. MRI is extremely costly and hydrostatic weighing requires more equipment, although it is not as costly as an MRI scan. Weight circumference can be easily done at home by measuring one's waist and comparing it to healthy values for individuals of the same gender and age.</span>
