Male seahorses develop placentas to support their growing babies

Supplying oxygen to their growing offspring and removing carbon dioxide is a major challenge for every pregnant animal. Humans deal with this problem by developing a placenta, but in seahorses—where the male, not the female, gestates and gives birth to the young—exactly how it worked hasn't always been so clear.

from Phys.org - latest science and technology news stories https://ift.tt/3CItdqb

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