Answer:
The correct answer is- Immune system
Explanation:
There are physical, chemical and immunological barriers present in our body which helps us to protect from the foreign antigen. They all assist each other and helps in pathogen removal from our body.
The physical barrier includes skin, gastrointestinal tract, respiratory tract, etc which do not allow the microbe to enter the body. Chemical barriers include tear, saliva, acid in the stomach which kills microbes on the body surface.
Immune cells like macrophages, B cells kills microbes when it gets in the body. Lymphatic system also contain immune cells and helps in microbe removal.
So the immune system is assisted by physical barrier, chemical barrier, and lymphatic system.
Helping break down food you ingest and fighting off disease
Answer: Although all organic compounds contain carbon, and almost all have hydrogen, most of them contain other elements as well. The most common other elements in organic compounds are oxygen, nitrogen, sulfur, and the halogens.
Explanation: hope this helps
Answer:
October 21
Explanation:
It takes about a month to have another full moon appear.
Hope this helps :)
There is no difference between HEMoglobin and HAEMoglobin, except in spelling. Hemoglobin is the American version of spelling, whereas haemoglobin is the British one.
In the United Kingdom, many English words are spelled differently from its American versions, and haemoglobin is just one of them.