In the colon, the muscularis external (longitudinal layer) presents as

The thick ascending limb of the nephron

Ultimately, all biofuels are ________, because they are the product of ________.

Controlling micturition: Storage reflexes.  The somatic loop stimulates which nerve?

What is the critical test for stimulus equivalence?

Which of the following delivers blood to the medulla and loop of Henle while PROTECTING the medullary osmotic gradient?

Designing buildings to maximize absorption of sunlight during winter and to keep the interiors cool during summer is referred to as ________.

The pH scale used the measure the level of acidity is a logarithmic scale.  This means that

What type of specimen is required for a streptococcal infection?

____________ is a permanent surgical connection of an artery and vein direct fusion resulting in a bulging vein.