What are two ways in which white blood cells fight pathogens that have entered the body?

What does the horizontal line between the male and female represent?

You have blue eyes while your best friend has brown eyes what do we call that characteristic that distinguishes you from another? A. Allele B. traits C. homozygous D. dominant

Why doesn't water become saltier when it comes down from the clouds

Which of the free-body diagrams below would represent the submarine

Paraphrase four safety practices you should always use when you begin scientific inquiry

Which process connects glycolysis and the citric acid cycle?

Reform movements of the 1800's was most likely influenced by what event in Europe? A. Governments were slow to act. B. Populations were increasing rapidly. C. Revolutions were spreading across Europe. D.

What's the definition of chemical energy

Once pathogens have penetrated the non-specific barriers, they are confronted by macrophages and natural killer cells. how do these cells contribute to maintaining homeostasis?

What happens when a plate carrying oceanic crust collides with a plate carrying continental crust?