Bone has longitudinal canals , called

Assertion : Bones possess longitudinal canals called lacunae. Reason : Lacunae carry blood vessels & nerves to the bones.

High and low pressure regions of longitudinal wave is called ________ and ________ .

The ratio of Longitudinal stress to longitudinal strain is called

The longitudinal canals of a bone are called………….. .

Longitudinal channels of Bone called : -

Why are longitudinal waves called pressure waves?