What takes place when you inhale and exhale

Apreschooler with partial-thickness burns on 21% of the total body surface area progresses from the emergency phase to the acute phase of burn care. what is the most important nursing intervention at this time?

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation