Puberty. <span>While puberty involves a series of biological or physical transformations, the process can also have an effect on the psychosocial and emotional development of the adolescent. </span>
Nearly 23% of teens die from smoking-related causes
Trachea Windpipe know as trachea
Answer: The integumentary system helps the immune system by The skin acts as a barrier to keep out pathogens (B)
Explanation: