What prevents loss of water from the body and keeps out microorganisms?
- Correct Answer: the skin'
- sweat
- muscles
- hydration
Explanation: The skin prevents loss of water from the body and keeps out microorganisms. Melanin in the epidermis protects the dermis from damaging ultraviolet light. By dilating or contracting its blood vessels and releasing sweat, skin helps maintain a constant body temperature.
More Random Questions
Q: What term in science describes not just a guess, but a well-formed set of explanations for a phenomenon?
Ans: theory
Ans: theory
Q: What is citrate an ionized form of?
Ans: citric acid
Ans: citric acid
Q: Who has become the 99th member of the International Solar Alliance on 23 May 2024?
Ans: Spain
Ans: Spain
Q: Who topped the 65th International Maths Olympiad?
Ans: America
Ans: America
Q: What do we call cyclones that form in tropical latitudes?
Ans: hurricanes
Ans: hurricanes
Q: What are the smallest particles of matter?
Ans: atoms
Ans: atoms
Q: What happens when you mix oil and water?
Ans: They do not mix
Ans: They do not mix
Q: On May 11, 2024, the Parliament of which country passed a bill allowing prisoners to join the army?
Ans: Ukraine
Ans: Ukraine
Q: Where has the 'Global MedTech Conference 2024' started?
Ans: New Delhi
Ans: New Delhi
Q: When was construction of the hoover dam completed?
Ans: 1935
Ans: 1935
Q: Which movement protested the Simon Commission?
Ans: Anti-Simon Agitation
Ans: Anti-Simon Agitation
Q: A patient with heart failure requires a diagnostic procedure. Which advanced procedure is used?
Ans: Cardiac catheterization
Ans: Cardiac catheterization
Q: What is the main source of food for a cow?
Ans: Grass
Ans: Grass
Q: What is the largest known animal?
Ans: the blue whale
Ans: the blue whale
Q: Who led the Cuban Revolution in 1959?
Ans: Fidel Castro
Ans: Fidel Castro
