Answer:
Answer: A. Neutrophils gather at the site of infection and release histamin,
while macrophages ingest antigens before they enter the bloodstream.
Explanation:
Neutrophils are specialized white blood cells which are capable of fighting
against the infections. Neutrophils are required at the site of injury and
produces histamin to fight against inflamation. Whereas the macrophages
are type of monocytes that ingest foreign antigens or bodies like bacteria
and virus which could enter the bloodstream and cause disease oriented
symptoms.
Explanation:
Correct me if I'm wrong
If you want to lift your arm, your brain sends a message to the muscles in your arm and you move it. ... Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. So they work in pairs of flexors and extensors.
I would say True because fad diets usually have you stay away from certain food groups and that makes your eating habits unhealthy. Certain fad diets can cause lack of very important nutrients that the body needs which isn't good. Lack of nutrients can cause diseases (that can cause death) and deficiencies. Even though they offer quick weight loss doesn't mean its good for your body and well being. You should ask a doctor before doing any drastic diet changes. This is just my answer and opinion. I don't know very much hope this was some what helpful.
Bulimia nervosa is the eating disorder in which a person will eat enough food to feel like they'll explode.
Edward Jenner, FRS was an English physician and scientist who was the pioneer of smallpox vaccine, the world's first vaccine. Jenner is often called "the father of immunology", and his work is said to have "saved more lives than the work of any other human". so the answer is Edward Jenner invented a vaccination from cow pox that could make a person immune to smallpox.
