The upper gastrointestinal tract
During swallowing food travels from the mouth cavity into the stomach.
upper digestive tract, digestion, digestive tract, feeding, food, mouth cavity, stomach, pharynx, esophagus, peristalsis, swallowing, decomposer, gastric acid, salivary glands, cardia, , stomach acid, pepsin, tongue, mucous membrane, enzyme, human, organ system, biology
Humans have 4 types of teeth: incisors, canines, premolars and molars.
Taste receptors convert chemical stimuli into electric signals.
Careful tooth brushing is an important part of oral hygiene.
When producing sound, the vocal cords are vibrated by the air flowing out of the lung.
The large intestine is the last section of our digestive track.
The longest part of the digestive system, where most of the digestion and absorption takes place.
The inflammation of the vermiform appendix, which is connected to the cecum, requires immediate surgical intervention. The animation shows the cause and...
Systemic circulation carries oxygenated blood from the heart to the body, while pulmonary circulation carries oxygenated blood from the lungs to the heart.
The pancreas and the liver empty digestive juices into the duodenum.
This animation introduces the most important systems of the human body.
This animation introduces the most important organ systems of the human body.
This animation presents levels of biological organisation from the level of the individual organism to the level of cells.
The first section of the gastrointestinal tract comprises the oral cavity, the pharynx and the oesophagus.
The liver is a vital organ that plays an important role in the digestion of fats, detoxification and metabolism.
The heart is the central pump of the cardiovascular system beating several billion times over our lifetime.
The urinary system serves for the removal of harmful and useless materials from the body.
This animation helps you learn the basics of healthy eating.
Olfactory receptors produce electric signals when stimulated by odours.
The respiratory system is responsible for the intake of oxygen and the release of carbon dioxide.