Respuesta :

akmalyounas

Answer:

Chordeae tendineae

Explanation:

  • Chordeae tendineae keep the atrioventricular valves in place while heart is pumping the blood.
  • Chordeae tendineae are commonly known as heart strings and these are tough tendious strands in the heart.
  • Chordeae tendineae are 80% collagen and 20% elastin and endothelial cells.