The second letter of the pacemaker code tells the A.
Programmability of the pacemaker.
B.
​Pacemaker's response to sensed events.
C.
Chamber sensed.
D.
Chamber paced.

a perfect upbringing he will grow up to be healthy and confident adult.

i think itś the 2nd one because its not anything major like having sex. its putting limits to your self if that makes sense.

hope that and feel free to ask me more questions : )

brainliest? ?

this is really easy just look up what these words mean