To carry out cell processes, just like our organs carry out our bodily processes.
In bone growth, the medullary cavity is enlarged because of the activity of osteoclasts. These are cells working to break down bone, resorbing old bones which will line in the medullary cavity. The cavity is also enlarge as the cells contribute to the increase in length and diameter of a growing bone.
The answer to this question is the term Macromolecule. A macromolecule is termin biology and chemistry that is composed of many / thousands of atoms which is considered as a large / huge molecule. This is made by joining of small subunits to form a huge molecule.
<span>Yes, humans hve a true coelom (that is, we are euceolomate organism). It is between the layer of tissue that lines the abdominal body cavity (the parietal peritoneum) and the layer of tissue that covers the abdominal organs (the visceral peritoneum). In between is a slippery layer of serous fluid that allows the organs to slip around without friction. </span>
Oogenesis.
<span>homologous formation. </span>
<span>spermatogenesis. </span>
<span>meiosis. </span>
<span>mitosis.</span>
