Select the correct option:
$(1)$ The respiratory rhythm center for breathing regulation is located in the medulla oblongata of the brain.
$(2)$ Each hemoglobin molecule can carry a maximum of $4$ molecules of $O_2$. (Note: The original question mentioned $CO_2$,which is incorrect; hemoglobin primarily transports $O_2$.)
$(1)$ The respiratory rhythm center for breathing regulation is located in the medulla oblongata of the brain.
$(2)$ Each hemoglobin molecule can carry a maximum of $4$ molecules of $O_2$. (Note: The original question mentioned $CO_2$,which is incorrect; hemoglobin primarily transports $O_2$.)
- A$(1)$ True,$(2)$ $4$ molecules
- B$(1)$ True,$(2)$ $10$ molecules
- C$(1)$ False,$(2)$ $4$ molecules
- D$(1)$ False,$(2)$ $10$ molecules
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Read the steps of respiration and arrange them in the correct sequence.
$I$ - Transport of gases by blood.
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