Answer:
I would say Option B
Explanation:
A controlled experiment is where you have two or more independent variables, that way you have an experiment to compare results with.
Answer:
I am certain 2 of out 3 of these are part of it
Explanation:
I forgot if alveoli is part of it.
They help to prevent the disease from occurring. The immune system becomes familiar with the pathogen and learns how to fight it. Its the same process with vaccines
Answer:
Fimbriae of uterine tubes
Explanation:
The correct answer for the given question that fills up the blank most appropriately is " fimbriae of uterine tubes " also called as fimbriae tubae .
These are present at the end of the fallopian tubes and have a structure like the small fingers like projections and through these the eggs move form the ovaries to the uteres .
