Careful tooth brushing is an important part of oral hygiene.
Systemic circulation carries oxygenated blood from the heart to the body, while pulmonary...
During swallowing food travels from the mouth cavity into the stomach.
Organs that detect signals of the environment or of the body and transmit them to the...
The limbic system plays an important role in forming emotions and in learning.
Human blood consists of blood cells and plasma.
This animation introduces the most important organ systems of the human body.
Neurons transmit electrical signals via chemical and electrical synapses.
Connective tissues include loose and dense connective tissues, adipose tissue, blood,...