Answer:
Stomach is the correct answer.
Explanation:
- The stomach is the very important organ of the body that digests the food.
- The cells in the stomach secrete enzymes and hydrochloric acid that breaks the food chemically into small molecules.
- The stomach secretes substances that control the food digestion.
- The gastric juice is formed in the stomach and it contains hydrochloric acid, organic substances(pepsin, protein, mucus) it helps in the digestion of food.
A double helix structure that consist of two polynucleotide chains.
A DNA molecule consists of two strands that wind around each to form a double helix. Double-stranded DNA consists of two polynucleotide chains.
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Ferns<span>, </span>horsetails<span>, </span>mosses<span>, and </span><span>liverworts, flowers, mint</span>
I believe the thyroid controls most, if not all of those things. (Again, I'm not entirely sure.)