Answer:
Explanation:
1)respiratory system
2)trachea, bronchi, bronchioles, alveoli, lungs, diaphragm
3)trachea
4)inhale oxygen and exhale carbon dioxide
5)gas exchange
There are three food macro molecules which yield energy in the body, these are carbohydrates, fats and proteins. The fat gives the highest amount of energy inside the body. If one gram of a fatty food is eaten, it will produce 9 kilocalories. Thus, any food which fall into the class of fat and oil will yield the greatest energy within the cell.
Answer: Sexual reproduction best describes meiosis.
Explanation: sexual reproduction best describes meiosis because this process produces sex cells (Gametes) to reproduce. Humans uses the process of meiosis.
The process for organisms better adapted to their environment will survive to produce offspring
Answer:
it depends on the amount of each nutrition to make a balance meal