Homologous Structures Definition By virtue of their similarity, homologous structures suggest that they share a common ancestor with animals and organisms. It is not necessary for these structures to look or function exactly the same. Their name hints at their structural similarity, which is the most important factor. Examples of Homologous Structures A Tale of … Read more
Modern biology has called into question some of the tenets of cell theory, but they still serve as a good general model. Below we discuss the three tenets of cell theory. 1. All organisms are made of cells Life consists of cells, which are the smallest units. A cell is made up of a membrane … Read more
A network of blood vessels makes up the circulatory system. The heart pumps blood around the body as its main organ. Red blood cells transport oxygen through these vessels. As well as transporting nutrients and hormones, the blood also carries oxygen. Top 20 Fun Facts
You did it! You have finally made it to the conclusion of the semester and it’s time to purge all your undesired stuff from your courses. After spending hundreds of dollars on textbooks for this semester, don’t just toss away that money! Did you realise you could sell your old textbooks to get part of … Read more
Physical therapy is a rewarding and challenging career that involves helping people regain their physical abilities and improve their quality of life. If you’re interested in pursuing a career in physical therapy, you’ll need to start by choosing an undergraduate major that will prepare you for the challenges and opportunities of this field. In this … Read more