Answer:
Unvaccinated person has naturally immune , cannot catched by this disease.
Explanation:
The white blood cells can recognise that these are not human protein . The invading or foreign protein is called an antigen . Antigen in the blood
starts the white cells making defence chemicals called antibodies. Some antibodies break up the antigens . This stops the antigen entering the body cells & makes it easier for the Phagocytes
to egulfs and digest antigens/pathogens & also
Lymphocytes produce antibodies to destroy pathogens.
Some bacteria produce toxins inside the body ,
Our white blood cells can also make antitoxins to
destroy the poison .
Antibodies and antitoxins help prevent microbes damaging the body . The help us fight off the. disease , giving us IMMUNITY to the disease.
Answer
you have to describe what happens when you dropped the penny in the pan
Explanation:
The correct answer for the question is B. Fossil.
Fossils are remnants, traces of animals or plants, from the past ages that have been preserved. Fossils may be classified as cast and mold fossil, insect preserved in amber, petrified wood, compression fossil of a fern and pyritized ammonite.
Answer:
Hydrogen ions
Explanation: pH is the concentration of hydrogen ions (H+) in a given solution. A pH of 1 means there are a lot of hydrogen ions and a pH of 14 means there is a very small concentration if them.
Answer:
It's true because the epidermis is more superficial the muscle tissue as it is on the surface of your body
Explanation:
