What are the five cardinal signs of an infection

Sam is a four-year-old child. as compared to other boys of his age, his skin looks dull. his hair appears damaged and dry. which nutrient is sam’s body likely lacking? a. proteins b. carbohydrates c. fats d. minerals

Nina has the flu and a high fever. her immune system is exhibiting the line of defense. this defense is part of immunity.

Describe the flow of blood represented by the diagram. include the following terms: nutrients, artery, capillaries, vein. ( me)