<span>4 molecules of oxygen. Haemoglobin is a protein found in the red blood cells, which carries oxygen to the cells to perform cellular respiration. Each red blood cell carries around 250 million haemoglobin. So the entire capacity of an RBC is around 1 billion oxygen molecules.</span>
Left to right away from the higher concentration of salt. Fluids try to be in balance, with equal distribution of what’s dissolved in them.
The attached body form of Cnidarians would be polyp
Here are some of the animals that have names that start with S: seal, sheep, skunk, sloth, sparrow, squirrel, swan, salamander, scorpion, serval, snake, spider, stork, etc.
Hope this helps :)