DNA stands for Deoxyribonucleic Acid, so it's an acid
Is veins in charge of transporting the blood
Answer:
Body
— Right atrium Right ventricle - Lungs – Left atrium Left ventricle -
Explanation:
<span>The biggest difference between prokaryotes and eukaryotes is that eukaryote has a nucleus. They also have other membrane structures called organelles.</span>
Answer:
Our immune system produces antibodies against that antigen of pathogen.
Explanation:
Injecting an antigen from a pathogen would help our immune system memorize the infection and protect our body from causing of the disease because our immune system produces antibodies against that antigen so when the pathogen enters our body these antibodies attack on that and prevent them of causing infection in the body so that's why injecting an antigen has to be done from the childhood to prevent diseases.
