Living in a physical world XII. Keeping up upward and down downward.
Vogel
Steven
S
Department of Biology, Duke University, Durham, NC 27708-0338, USA. svogel@duke.edu
D000818:Animals; D001696:Biomechanical Phenomena / Q000639:trends; D005426:Flight, Animal / Q000502:physiology*; D006801:Humans; D008124:Locomotion / Q000502:physiology*; D009949:Orientation / Q000502:physiology*; D018521:Plant Physiological Phenomena