Digestion is the transformation of food into assimilable substances, carried out in the digestive or digestive tract through two types of Read More >>

Lymphatic system

The lymphatic system is the main defense system of the body. It consists of lymph nodes (lymph nodes), ie a complex network of vessels Read More >>

Animal Kingdom

The Animal Kingdom, Animalia or Metazoa is composed of heterotrophic organisms, that is, those that do not produce their own food. Read More >>

Vegetable Kingdom

The Vegetable Kingdom, or Kingdom Plantae, is characterized by autotrophs (producing their own food) and chlorophylls. Read More >>

Energy sources

Energy sources are raw materials that directly or indirectly produce energy to move machinery, transport, industry, commerce, agriculture, houses, etc. Read More >>

Atlantic Forest

The Atlantic Forest is a biome composed of a set of forests and ecosystems that correspond to 15% of the Brazilian territory. Read More >>

Epithelial tissue

Epithelial tissue is formed by juxtaposed cells, that is, which are intimately joined together through intercellular junctions or integral membrane proteins. Read More >>

Carbon cycle

The carbon cycle begins when plants and other autotrophs absorb carbon dioxide from the atmosphere for use in photosynthesis. Read More >>

Omnivorous animals

Omnivorous animals are those that feed on plant and animal sources, that is, an omnivore has a very varied diet. Read More >>