Biology
The air is a key element being formed by a combination of gases, water vapor and particulate matter. It is, therefore, a vital substance for the maintenance of life on earth, alongside water and soil. In addition, air is essential for the climate, Read more
Metabolism is the set of all biochemical reactions that occur in the body, divided into two forms: anabolism and catabolism. The regulation of metabolism varies according to the characteristics of each individual, such as: weight, age, sex and physical activities. Read more
The stem is the part of the plant with the function of supporting and guiding substances. Stems can have a variety of shapes. For this reason, they are classified as aerial, underground and aquatic. Aerial stems Aerial stems can be of Read more
The electronic waste (e-waste) or technological , as its name indicates, is that from electronic materials. It is also known by the acronym RAEE (Waste Electrical and Electronic Devices). With the advancement of technology in the modern world, there is an excess of Read more
Neurotransmitters are chemical compounds secreted by the cells of the nervous system, neurons, responsible for transmitting the necessary information to different parts of the body. Because they are communicated by synapses, these chemical mediators are usually found in presynaptic vesicles. Read more
The ligaments are resistant structures, however, somewhat elastic, formed by fibrous connective whitish tissue (presence of collagen), which have the function to join two or more bone stabilizing and protecting the joints of the body so as to prevent displacement of bone thus acting Read more
The bryophytes are small avascular plants that generally live in moist environments, forming “green carpets” on rocks and tree trunks or in the ravines. The mosses and liver (see following figures: liver in detail above and forming a moss) are the most known plants this group, as well as Read more
