Open full size image Open full size image Overview The human nervous system consists of 30–40 billion nerve cells, which come into contact with each other via synapses. Functionally, the somatic (voluntary) nervous system is separated from the autonomic (involuntary)…
Open full size image Open full size image Overview The neck (collum, cervix) connects the head to the trunk. The respiratory and digestive tracts, the neurovascular pathways and the central nervous system are somatic connections using the neck as a…
Open full size image Open full size image Overview The ear is divided into the outer ear, middle ear and inner ear. Forming part of the outer ear are the auricula (Auricula pinna), the outer ear canal (Meatus acusticus externus)…
Open full size image Open full size image Overview The eye or organ of sight (Organum visus) is often referred to as the ‘gateway to the soul’ and is considered by many people to be the body's most important sensory…
Open full size image Open full size image Open full size image Overview The head (caput) is flexibly connected to the torso (trunk, Truncus) via the neck area. This allows one to direct the sensory organs of the head towards…