Most members of Monera are single-celled organisms such as bacteria. Generally, bacteria form parasitic relationships with other organisms,... View Article
The bone marrow is responsible for producing red blood cells. However, it is the kidneys which stimulate the bone marrows to produce RBCs. It... View Article
Water is an important component for life and the process of osmoregulation helps to maintain balance between water and minerals at the cellular... View Article
Humans need to excrete, as we accumulate metabolic waste products. Having high concentrations of these waste products in the body can prove... View Article
Human anatomy is not hard if you are able to memorize the vast anatomical details. Even using various learning aids or tools can help have a good... View Article
Grass contains cellulose and it is hard for humans to digest because we lack the necessary enzymes to break down the beta-acetal linkages. On the... View Article
From a biological perspective, humans do not have cell walls as there is no need for it. Cell walls are required in plants as they allow them to... View Article
Nitrogen is an important component and is used to make amino acids, which in turn is used to make proteins. Read more by registering at... View Article
The human body performs many chemical reactions which are important for life. Most of these chemical reactions require enzymes to properly... View Article
For complex multicellular animals such as humans, a closed circulatory system is far more efficient at delivering blood and nutrients. This... View Article
The actual reason why humans grow slow when compared to other animals is not fully understood. However, anthropologists have suggested that the... View Article
Ammonia is quite toxic and requires large amounts of water to expel from the body, hence is it best suited for aquatic organisms. Urea, on the... View Article
Urea, if present in high concentrations, can cause many detrimental effects to the human body. For instance, high levels of urea have been linked... View Article
Gymnosperms are important plants from an ecological perspective. Moreover, gymnosperms, especially the conifers, are an economically important... View Article
The cells in our body perform many chemical reactions, which are essential for life. Some of these chemical reactions need enzymes to properly... View Article
A US army physician named Walter Reed discovered the first human virus in 1901. However, diseases caused by viruses were known well before, but... View Article
