There are instances
that when we are exposed to virus or bacteria, the antigen A in our body try to
fight but still we get sick, take some medication and we are then healed. Then,
another exposure to a new virus or bacteria, the antigen B reacts weakly for
our immune system do not recognized the foreign pathogen that invade the body
resulting to slight sore throat after visiting your sister at school.
Answer:
same its prbly bc u dont sit up straight tho
i hope u feel better!! :)
The second trimester is when the respiratory system is mature.
Answer:
y chromosome is responsible to determined the sex of the child
x chromosome don't determined the Sex of the child