Template:Respiratory Species Comparison table

		Stages - Gestational age (days)
Species	Term	Embryonic	Pseudoglandular	Canalicular	Saccular
Human	280	< 42	52 - 112	112 - 168	168
Primate	168	< 42	57 - 80	80 - 140	140
sheep	150	< 40	40 - 80	80 - 120	120
rabbit	32	< 18	21 - 24	24 - 27	27
rat	22	< 13	16 - 19	19 - 20	21
mouse	20	< 9	16	18	19
Links: respiratory \| Respiratory Comparison \| Mouse Human Respiratory \| Mouse respiratory stages \| mouse \| rat \| rabbit \| Timeline Comparisons (Modified table^[1])

↑ Pinkerton KE & Joad JP. (2000). The mammalian respiratory system and critical windows of exposure for children's health. Environ. Health Perspect. , 108 Suppl 3, 457-62. PMID: 10852845