the basic unit of life is the cell
When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes in biomes at different latitudes.
Its d i think im not sure but its most likely
Answer:
By giving putting the patient under, giving the patient anesthesia.
Most reasonable answer is the swallowable camera one. mris and cat scans were invented in the 70s and the rest of the answers are around the 1800s or before.