Question

What is our secondary heart

Answer 1

Answer:

SOLEUS MUSCLE is our secondary heart

Explanation:

The soleus muscles are so critical in returning blood to the heart that they have come to be called the "secondary hearts" of the body.

Answer 2

Answer:

The second heart is located at the backside of lower leg/ upward of the heel. It's the Calf Muscles. These calf muscles are named as

Soleus

Hope it helps u