The protein inside (a) red blood cells that carries oxygen to cells and carbon dioxide to the lungs is (b) hemoglobin. Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen.
Answer-Sea flows act a lot of like a transport line, moving warm water and precipitation from the equator toward the posts and cold water from the shafts back to the tropics. In this manner, sea flows manage worldwide atmosphere, assisting with balancing the lopsided dissemination of sun powered radiation arriving at Earth's surface.
In general, yes, the dorsal blood vessel of a worm be seen from the worm's exterior because a worm's "skin" is very thin. Although of course there are exceptions.
Answer;
-Archaeocytes
Cells that move about in the mesohyl, digest particles, and may specialize for other functions are the archaeocytes.
Explanation;
-Archaeocytes are very important to the functioning of a sponge. These cells are totipotent, which means that they can change into all of the other types of sponge cells.
-Archaeocytes ingest and digest food caught by the choanocyte collars and transport nutrients to the other cells of the sponge. In some sponges, archaeocytes develop into gametes.
