What is the role of hemoglobin in the body? to transport oxygen to slow down reactions to provide structural support to speed up reactions

To transport oxygen.

Explanation:

Hemoglobin is the protein made of two alpha and beta sub units. The iron is present in hemoglobin for its proper function. The hemoglobin is present in the red blood cells.

The main role of the hemoglobin is the transport of gases inside the cells. The oxygen combines with hemoglobin to form oxy hemoglobin that transport oxygen inside the cells and tissues. The carbon dioxide is also transported by binding with hemoglobin.]

Thus, the correct answer is option (1).

the answer to you question is   jet streams

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: