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Mae’n ddrwg gennym ‘dyw’r bennod yma ddim ar gael ar hyn o bryd

Y system gylchrediad yw thema Corff Cymru'r wythnos hon. The circulatory system. What happens to the body when it is pushed to the utmost? How does the body cope with extreme cold and heat?

23 o funudau

Darllediad diwethaf

Mer 26 Meh 201912:05
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Rhagor o benodau

Blaenorol

Pennod 3Cyfres 2013

Nesaf

Pennod 5Cyfres 2013

Gweld holl benodau Corff Cymru

Darllediadau

  • Sul 8 Chwef 201518:25
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  • Llun 28 Mai 201823:30
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  • Mer 26 Meh 201912:05
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