In saliva, which is the secretion of salivary glands, bicarbonate ions are electrolytes. They help in moistening food. Mucus is used as a lubricant, as well as for viscoelasticity. Amylase is...Read More
Secreting inhibin, forming a blood-testis barrier, providing nutrients for developing sperm, and secreting fluid into the lumen of seminiferous tubules to support sperm development and transport...Read More