Traits such as skin color and height are variable throughout the human population because these traits are controlled by more than one cell. The cells don't perform at the same rate and don't produce the same biomolecules. Therefore, the maximum height of a person is not achieved which results to variations.
Answer;
The mouth
For ingested foods, the first opportunity for enzymatic digestion occurs in the mouth.
Explanation;
The digestion of food starts in the mouth.
There is both mechanical and enzymatic digestion of food in the mouth. Mechanical digestion involves the mechanical break down of food using teeth to smaller particles thus increasing the surface are for the activity by enzymes.
Enzymatic digestion in the mouth involves enzyme salivary amylase which acts on starch to form maltose.
The right answer is TRUE.
Achieving longevity in good health (reaching old age in good physical and mental health) is essential to the favourable development of our society. That's why it's important to promote healthy habits throughout your life to prevent or delay the onset of chronic disease when you reach old age.
Answer:
B would be the correct answer
Explanation:
Answer:
A. It aids in the sense of smell
Explanation:
Among the main functions of the respiratory system are the obtaining of the oxygen from the external environment and give it to the cells. Also it is in charge of eliminating from the body the carbon dioxide produced by the celular metabolism. Those are the main functions.
