I would use a Transmission Electron Microscope.
The Respiratory organ system
Answer:
tolerance is the willingess to accept, and see value in the views of others
Biological transmission involves reproduction of pathogens in an arthropod vector prior to transmission. In terms of epidemiology, we can term a vector as an organism that is from infected to the uninfected. An infected organism which develops biological vector passes it to its host. For example a mosquito.
A mosquito being a mechanical vector carries an infected organism to its host either through the legs or through the other body parts
The is answer is:
1. first to document careful observations of different cell types