How many traits in common does the airplane and motorcycle have in common

Explanation:

The common traits in airplane and motorcycle are as follows:

1. Both work on internal combustion engine for power generation.

2. Since, engine is used hence, fuel will also be required so both use fuel, although the kind of fuel is different.

3. Both convert the chemical energy of the fuel into mechanical work done.

4. Both Facilitate transportation of passengers from one place to other.

the sphincter muscles at the end of the digestive tract is the anus.