Which change occurs only in males during puberty? a deepening of the voice a change in body odor the appearance of pubic hair the beginning of menstruation

The is a thin membrane that transmits sound waves into the middle ear.

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

2paragraphs choose one team sport and one individual sport. what are the advantages and disadvantages of having to play each of these sports in gym class?