Carbohydrate digestion begins in the mouth<span>.</span>
Answer: The respiration is a process, which occurs in all living organisms. In respiration a food or substrate present in the body is broken down into components in the present or absence of oxygen.
Explanation:
The respiratory membrane surface area is marked by the surface acquired by the small bronchi that branches into small bronchioles. Further the bronchioles extent to the alveoli for respiratory gas exchange.
In case of a human adult there are 300 million bronchi which cover an area of 180m². So, the total amount of respiratory surface area in healthy adult is 180m².
Trench
A long , narrow depression of the sea floor formed where a subdcting plate sinks into the mantle
Hope you get it!
Answer:
An adequate sample of a population for studies of natural selection should
be large enough to:
represent the genetic variation in the population
Explanation:
