Leydig cells secrete

Explanation : 

• Interstitial gaps are the areas outside of the seminiferous tubules in the testes. 
• It contains interstitial cells and tiny blood arteries. 
• Leydig cells are the cells that make up the interstitial space. 
• The endocrine tissue of the testes is made up of Leydig cells. 
• It produces and secretes androgens, which are testicular hormones. 
• Androgens, which include testosterone, are a group of male sex hormones.
• As a result, the correct response is 'Testosterone.'

Final answer : 

Option C : Leydig cells secrete Testosterone