Multicellular organisms e.g. man meet their needs through use of specialized systems that they have in their bodies. Examples of such include:
1. cardiovascular system composed of heart, veins and arteries which facilitate transport of nutrients to all parts of the body .
2. Skeletal system composed of bones, joints, ligaments and cartilage whose function is support and protection of the body.
3. Digestive system composed of mouth, esophagus, stomach , small and large intestines whose function is breakdown of food and absorption of nutrients.
While race<span> and </span>ethnicity<span> share an ideology of common ancestry, they differ in several ways. First of all, </span>race<span> is primarily unitary. You can only have one </span>race<span>, while you can claim multiple </span>ethnic<span> affiliations. You can identify ethnically as Irish and Polish, but you have to be essentially either black or white.</span>
Cumulus cloud has the cauliflower structure
Pressure increases as we move to the center
