Answer:
Vaccinations are not always effective.
Explanation:
trust me
Answer:
1) circulatory and respiratory
2) endocrine
3) circulatory
4) circulatory and nerves
Explanation:
I think these are right. Sorry if they are not.
Put your hand up to your forehead and if you’re hot then you have a fever.
True, emotions could be bad like feeling sad or they can be good like being happy.