The answer is number 5: defends the body against pathogens. Red blood cells do not defend the body, white blood cells do. Red blood cells' purpose is to carry oxygen to the rest of our body.
I believe its C. Atomic numbers represent the number of protons, thus, it can be concluded that an oxygen atom does indeed have more protons than a hydrogen atom :)
Answer:
Comb jelly does not have nematocysts.
Explanation:
Centophores (phylum Ctenophora) consists of invertebrate animals that live in marine waters. They make use of cilia for swimming, and they are the largest animals to swim with the help of cilia.
Ctenphores are popularly known as comb jellies, sea gooseberries, sea walnuts, or Venus's girdles, are voracious predators. Unlike Jelly fish(phylum cnidaria) with which they share several superficial similarities, ctenphores does not possess stinging cells, nematocysts. Instead, in order to capture prey, ctenophores possess sticky cells called colloblasts.
Determine if the client has an allergy to iodine or shellfish