Answer:
Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.
Photosynthesis. These are the reactants for photosynthesis and the products of cellular respiration.
Answer:
How the information that produces the responses is captured in a reflex arc
Explanation:
this is the translation
hopes this helps
