A person cuts their hand on a piece of glass that they are picking up a) describe how the body's defense mechanisms protects the person from infection
b) explain how the person would know if the cut had damaged an artery

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.

i think the answer is a.keratin is the pigment responsible for skin color.