Why Are Our Tears Salty? Understanding the Different Types of Tears

The video explores the different types of human tears: basal, reflex, and psychic. Basal tears keep the eyes moist and protect against pathogens. Reflex tears respond to irritants, while psychic tears are linked to emotions and have a unique composition. Tears are salty due to electrolytes like sodium and potassium, which are essential for nerve function and eye health.

What are the three types of tears mentioned in the text?

Explain the composition of basal tears.

What triggers the formation of reflex tears?

Describe the role of the limbic system in the production of psychic tears.

Why are tears salty according to the text?

What is the significance of electrolytes in tears?

How do tears contribute to the immune system of the eyes?