Answer:
The correct answer is true.
Explanation:
Swallowing of food is the process of passing the food from the mouth to the stomach through the way of the throat (pharynx) and esophagus. This process takes place in three stages: oral, pharyngeal, and esophageal stages
During the pharyngeal stage, epiglottis which is a leaf-shaped flap of cartilage located at top of the larynx (a muscular organ forming voice box) perform functions in response to the swallowed food as the larynx lift up or rises inside the neck to close the epiglottis while the epiglottis moves downward to cover it, providing more airway protection.
Thus, true is the correct answer.
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base
The excretory system<span> is a </span>system<span> of organs that </span>work together<span> to rid the body of any waste. The </span>excretory systems<span> includes the lungs, ureter, urethra, liver, urinary bladder, kidneys and skin. ... The </span>system<span> controls the pH and osmotic concentration of the fluid, and it excretes urea, uric acid and ammonia.</span>
By counting the number of daughter cells resulting from mitotic and meiotic division
Answer:
The three statements or tenets of the cell theory are: All living beings are made up of cells. Cell is the most basic unit of life. All cells must come from pre-existing cells.
Explanation:
