Which of the following statements is incorrect?

Easy

A

The epithelium of PCT of nephron in the kidney has cube-like cells with microvilli.
B

Tendon has many collagen fibres that are oriented in different directions.
C

Communication junctions allow the cells of cardiac muscle to contract as a unit.
D

Bones have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.

Solution

Tendons, which attach skeletal muscles to bones and ligaments which attach one bone to another are examples of dense regular connective tissue in which collagen fibres are present in the form of parallel bundles. The collagen fibres are oriented in different directions in dese irregular connective tissue (e.g., dermis of the skin).

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