Why Do We Sweat?

The video explains why our bodies sweat, focusing on its role in cooling down the body when it overheats due to physical activity or high temperatures. It describes the process where the brain signals sweat glands to produce sweat, which is primarily water but also contains electrolytes and other substances. As sweat evaporates from the skin, it removes excess heat, thus cooling the body. The video concludes with a recap of the reasons behind sweating.

What is the primary function of sweating in the human body?

• To increase body temperature

• To remove toxins

• To cool down the body

• To hydrate the skin

Which part of the body signals the sweat glands to start producing sweat?

• Heart

• Lungs

• Brain

• Liver

What are the main components of sweat?

• Water and salt

• Water and glucose

• Water and proteins

• Water, electrolytes, urea, and lactic acid

How does sweat help in cooling the body?

• By absorbing heat from the environment

• By evaporating and taking away excess heat

• By forming a protective layer on the skin

• By increasing blood flow to the skin

Why is sweating considered essential for the body?

• It helps in digestion

• It strengthens muscles

• It maintains internal temperature balance

• It improves vision