Where exactly are the oxygen sensors located in a 2000 honda accord and how many does it have?

2000 honda accord 4 cyl 2.3L VTEC 4DR LX

2 sensors. One should be downstream (after) of the catalytic converter. Don't know for sure as I haven't bothered to look. The other one is on the exhaust manifold in the front of the engine. Open the hood, look straight down where the heat shield is. That spark plug looking thing with the wires coming out…