In what type of immunity will the defenses be triggered and react in the same manner, regardless of the organism invading? adaptive innate primary mechanical barrier

Amuscle that doesn’t need to be exercised regularly is your heart true or false ?

There is only one copy machine at your office. you have to make 1000 copies of an expense report. after you begin copying, two other employees show up in the copy room. each has to make only 10 copies each. what is the proper etiquette in this situation?

The heart and lung are located in which cavity ? thoracic