And. Note the Figure of speech Polysyndeton (App-6) in verses: Leviticus 1:4-9.
put. Hebrew lean, place, or press. It could not be done by proxy. This was all that the sinner could do. It was for God to accept.
make atonement. Hebrew. kaphar, to cover the sinner and his sin, so that neither is seen. See note on Exodus 29:33. No such thing as progress in justification.