Which of the following is a function of the lymph nodes in the lymphatic system?

What is the term for a type of galaxy that does not have a distinct shape, containing a mix of old and young stars?

What is the chemical symbol for sodium?

Which of the following is a halogen?

What is the term for the alignment of three celestial bodies, such as the Sun, Moon, and Earth, in a straight line?

Which star, located in the constellation Canis Major, is the brightest star in the night sky?

What is the chemical formula for glucose?

What is the function of the lymphatic system in the human body?

Which element is essential for organic compounds but is not found in inorganic compounds?

Which space telescope has provided stunning images and valuable data about the universe since its launch in 1990?