Cite the primary extrinsic and intrinsic muscles of the lower leg.

The primary intrinsic muscles of the lower leg are Plantar flexors, Dorsiflexors, Absuctors. The intrinsic muscles are located within the foot, cause toe movements and help support the arches. Extrinsic muscles on the other hand are located outside the foot, in the lower leg, they have long tendons that cross the ankle and attach the bones of the foot, to assist movement. The extrinsic muscles are the extensor hallicus longus, the extensor digitorium longus, the fibularis tertius and the tibialis anterior. 

The answer would be sand and gravel

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.