Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this tutorial and the molecular mechanisms of contraction...
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the different components and functions of the human circulatory system dealt with in detail in this tutorial. The lymphatic system is also elucidated elaborately here...
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible species occupying the area. Read to know more...
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of communities that thrive in freshwater: the lentic and the lotic communities. In these communities, plants and animals evolved special characteristics that make them better adapted to their habitat. Get to know more about these features and the..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of fruits, fruit dispersal mechanisms, and seed germination. The distinctions between dicots and monocots, the two major groups of flowering plants, are presented in this tutorial...
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you will find the basic structure of a neuron, the different classes of neurons, and membrane potentials. It also includes the structure of the nervous system...