Skeletal system.
Without a proper skeleton, we would not have enough rigidity to properly move. We'd be an awkward pile of skin, muscle & bodily fluids.
Hope that helps!
The number of bases is no longer divisible by three. This results in a frame-shift, and all codons from the point of mutation will be affected.
The placenta provides oxygen to the baby and excretes carbon dioxide into your bloodstream.
meaning that the baby does not simply absorb oxygen from a women's bloodstream. blood and gas transports occur through the placenta, also the placenta delivers oxygen-rich blood through the umbilical vein not artery
hope this helps
Earth's atmosphere is composed of air. Air is a mixture of gases, 78% nitrogen and 21% oxygen with traces of water vapor, carbon dioxide, argon, and various other components.
Bacteria are prokaryotic organisms.
