Answer:
The current taxonomic system now has eight levels in its hierarchy, from lowest to highest, they are: species, genus, family, order, class, phylum, kingdom, domain.
Explanation:
The one that is being described above is MY PLATE. My Plate is actually established by the <span>USDA Center for Nutrition Policy and Promotion. This literally looks like a plate and is divided with the necessary food intake that the person should have which includes the five main groups. It is easy to follow most especially for parents who wanted to ensure and serve healthy meals for their children.</span>
brain is the organ which does play a role in mechanical or chemical digestion
The answer to your question is B.Chromatin
Testosterone is a steroid. Its physiological functions are:
Determines the the gender of a developing embryo
Development of reproductive organs and the prostrate gland in males
Responsible for secondary sexual characteristics in males such as deeper pitch, increased muscle bulk, hair on the upper lip
Regulates normal sperm development
Another is cholesterol. Physiological functions are:
Helps maintain the structure of cells and vessels improving overall health and function in the body.
Percursor to important sex hormones such as testosterone and estrogen.
Used as an insulator around nerves and is absolutely essential for brain function.
Precursor to Vitamin D, which supports a healthy immune and nervous system
