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  2. Dog anatomy - Wikipedia

    en.wikipedia.org/wiki/Dog_anatomy

    Dog anatomy comprises the anatomical study of the visible parts of the body of a domestic dog. Details of structures vary tremendously from breed to breed, more than in any other animal species, wild or domesticated, [ 1 ] as dogs are highly variable in height and weight.

  3. Dog - Wikipedia

    en.wikipedia.org/wiki/Dog

    2 Anatomy and physiology. ... The dog (Canis familiaris or ... The dogs showed a ratio-dependent activation both for numerical values from 1–3 to larger than four.

  4. Dog behavior - Wikipedia

    en.wikipedia.org/wiki/Dog_behavior

    A drawing by Konrad Lorenz showing facial expressions of a dog - a communication behavior. X-axis is aggression, y-axis is fear. Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli. [1] It has been shaped by millennia of contact with humans and their lifestyles.

  5. Blood sugar level - Wikipedia

    en.wikipedia.org/wiki/Blood_sugar_level

    Normal value range. Humans. ... 62 to 108 for dogs, 62 to 114 for horses, 66 to 116 for pigs, 75 to 155 for rabbits, and 90 to 140 for llamas have been reported. ...

  6. Is it normal for a dog to sleep all day? - AOL

    www.aol.com/normal-dog-sleep-day-051535250.html

    Why do dogs need so much sleep? During a typical night, adult humans spend around 20-25% of their total sleep in REM (Rapid Eye Movement) stage, a percentage that is even higher in infants and ...

  7. Heart rate variability - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_variability

    Normal Values of Standard Measures of HRV [90] Time Domain Analysis Spectral Analysis Variable Units Normal Values (mean±SD) Variable Units Normal Values (mean±SD) IBI ms 926±90 LF ms 2: 519±291 SDNN ms 50±16 HF ms 2: 657±777 RMSSD ms 42±15 LF nu 52±10 HF nu 40±10 LF/HF ratio 2.8±2.6

  8. Senior dog diet - Wikipedia

    en.wikipedia.org/wiki/Senior_dog_diet

    The senior dog population consists of dogs that are over the age of seven for most dog breeds, [1] though in general large and giant breed dogs tend to reach this life stage earlier when compared to smaller breed dogs. Senior dog foods contain nutrients and characteristics that are used to improve the health of the aging dog.

  9. Reference range - Wikipedia

    en.wikipedia.org/wiki/Reference_range

    The standard definition of a reference range for a particular measurement is defined as the interval between which 95% of values of a reference population fall into, in such a way that 2.5% of the time a value will be less than the lower limit of this interval, and 2.5% of the time it will be larger than the upper limit of this interval, whatever the distribution of these values.