Answer is:
Heart
Explanation:
All except Heart are present in the human body in a pair
Answer is:
Narmada
Explanation:
The West flowing rivers are Narmada, Tapti, Mahi, Sabarmati, Luni, etc. The East flowing Rivers are Mahanadi, Godavari, Krishna, Kaveri, etc.
A large number of the South Indian rivers are seasonal as they are miffed. Most of the peninsular rivers flow eastward on the plateau-slope and drain into the Bay of Bengal. They form deltas on their mouths.