Question

Which of the following statements is false about the skeletal system?

• A. Scales of fish is an example for endoskeleton.
• B. Skeletal system protects vital organs.
• C. Outer shells are the exoskeleton.
• D. Few organisms possess both exoskeleton and the endoskeleton.

Answer 1

The correct option is A

Scales of fish is an example for endoskeleton.

There are two types of skeletal systems- the exoskeleton and the endoskeleton. The exoskeleton is the external skeleton that supports and protects the organisms. Shells of organisms like carbs, snails are examples of an exoskeleton. In cows and goats, the skeleton is inside the body and this is called endoskeleton. The function of an endoskeleton is to support the body, to help in movement and also to protect the organs like the hearts, lungs and brain. A few organisms like the crocodile and tortoise have both exoskeleton and endoskeleton. The scales of fish is not exoskeleton but they are remnants of the exoskeleton.