Question

1.Do all birds have noses? How do they breathe
2.Fish can't remain alive in air. How might they breathe while remaining in water?​

Answer 1

$\huge\mathfrak{Answer \: - 1}$

$\mathfrak{Birds \:  can \:  breathe \: through} \\ \mathfrak{the \: mouth \: or \: the} \\ \mathfrak{nostrils(nares).birds \: compensate} \\ \mathfrak{for \: the \: larger \: tracheal} \\ \mathfrak{dead \: space \: by \:  having} \\ \mathfrak{a \: relatively \: larger \: tidal} \\ \mathfrak{volume \: and \: a \: lower} \\ \mathfrak{respiratory \: frequency,\: approximately} \\ \mathfrak{one \: - \: third \: that} \\ \mathfrak{of \: mammals.}$

$\huge\mathfrak{Answer \: - 2}$

$\mathfrak{In \: fact, \: too \: much} \\ \mathfrak{ time \: in \: the \:  water}  \\ \mathfrak{can \: kill \: a \: mudskipper.} \\ \mathfrak{ They \: breath  \: on \: land} \\ \mathfrak{through \: their \: blood \: capillary} \\ \mathfrak{- \: rich \: skin \: and} \\ \mathfrak{ their \: gills.  \: They  \: fill } \\ \mathfrak{their \: gill \: chambers \: with \:  water,} \\ \mathfrak{ creating \: an \: oxygen \: tank} \\ \mathfrak{ like \: organ, \: which \: allows} \\ \mathfrak{ them \: to \:  breath \:  out} \\ \mathfrak{ of \: the  \: water.}$