Answer: True
Explanation:
The type of epithelium well suits the areas where there is a constant abrasion, and due to this fact the toughest and the thickest layer can be sequentially sloughed off and will be replaced before the layers in the basement will be exposed.
It is the outermost layer of the skin, lining of the mouth, vagina and esophagus.
The given statement is true, that the area like esophagus, vagina and mouth are covered with stratified squamous epithelium.
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.
Answer:
when the offspring born, they have a low survival rate during first year but as they reaches maturity, their survival rate increases.
this type of survivorship is Type III
Explanation:
Answer:
One
Explanation:
RNA is a single-stranded molecule
