Answer:
Bacteria
Explanation:
There are two kinds of cells found in/on the human body that lacks nucleus
- Red blood cells
- Bacteria
Since the material observed under the microscope was scraped from under the finger nails and there was no indication of broken skin, it is likely that the observed cells are bacteria.
True because excretory is like sweat and you sweat through your skin- more specifically the pores in your skin
The answer is false.
The digestion of starch starts in the oral cavity. This process requires an enzyme called amylase, which can digestion starch to Maltose, a kind of sugar. And there is salivary glands in the oral cavity, which secretes salivary amylase. These enzymes are present in saliva, so the digestion already starts in your mouth.
More starch and Maltose will still be able to be digested as glucose later on in the digestive system, especially in the duodenum, aka the small intestine. Intestinal amylase will do the job.
Carbohydrates provide the most readily available source of energy.