1. In what form is O2 transported from the lungs to the tissues​

Oxygen is transported from the lungs to the tissues in the form of reversibly bound to haemoglobin and dissolved in plasma (and intracellular fluid).

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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