Answer:
1) circulatory and respiratory
2) endocrine
3) circulatory
4) circulatory and nerves
Explanation:
I think these are right. Sorry if they are not.
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:
The nervous system has three overlapping functions based on sensory input, integration, and motor output. At a more integrative level, the primary function of the nervous system is to control and communicate information throughout the body.
Explanation:
Can u show a pic of the question