Answer:
Salivary glands secrete salivary amylase, an enzyme that begins the breakdown of starch into glucose. Mucus moistens food and lubricates the esophagus. Bicarbonate ions in saliva neutralize the acids in foods
The mitochondria is responsible for breaking down sugar to produce energy.
To be reasonably sure that your observation will apply to the group you are studying, you should select a sample from the population and ensure that the selection is unbiased. The participants are selected at random to ensure that all the individuals in the group get equal chance of being represented in the sample. This removes the sampling bias in the sample.
These activities include habitat destruction, poaching, pollution, and the introduction of exotic species. Three successful approaches to protecting biodiversity are captive breeding, laws and treaties, and habitat preservation. The number of different species in an area.
