Passive immunity is described as?
a. occurs after a specific immune response
b. antibodies produced by B cells
c. Already there when we are born
d. occurs without an immune response

c

explanation:

i think the answer is gold im not entirely sure

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.