feeding behaviour — Any action of an animal directed toward obtaining nutrients. Each species evolves methods of searching for, obtaining, and ingesting food for which it can successfully compete. Some species eat only one type of food, others a variety. Among… … Universalium
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
List of feeding behaviours — Feeding is the process by which organisms, typically animals, obtain food. Terminology often uses either the suffix vore from Latin vorare, meaning to devour , or phagy, from Greek φαγειν, meaning to eat . Mosquito drinking blood … Wikipedia
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium
digestive system, invertebrate — ▪ anatomy Introduction any of the systems used by invertebrates for the process of digestion. Included are vacuolar and channel network systems, as well as more specialized saccular and tubular systems. Comparison of unicellular and… … Universalium
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
Concentrated Animal Feeding Operations — CAFO for cattle Sw … Wikipedia
Cattle feeding — Different cattle feeding production systems have separate advantages and disadvantages. Most cows have a diet that is composed of at least some forage (grass, legumes, or silage). In fact most beef cattle are raised on pasture from birth in the… … Wikipedia
Judicial system of the People's Republic of China — For the Ministry of Justice, see Ministry of Justice of the People s Republic of China. People s Republic of China This article is part of the series: Politics and government of … Wikipedia
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
