Answer:
prevents secretion of upper air passage
Explanation:
to prevent foods and drinks from falling down the airway which is called aspiration and may lead to pneumonia
Answer:
Mitosis is the process in which the nucleus of a eukaryotic cell divides. During this process, sister chromatids separate from each other and move to opposite poles of the cell. This happens in four phases, called prophase, metaphase, anaphase, and telophase.
Explanation:
Answer:
A
Explanation:
Eukaryotic cells have the nucleus enclosed within the nuclear membrane.
The cell has mitochondria.
Flagella and cilia are the locomotory organs in a eukaryotic cell.
A cell wall is the outermost layer of the eukaryotic cells.
The cells divide by a process called mitosis.
The Earth is around 4.6 billion years old. Earth has a slightly squashed sphere, measuring 7,973 miles (12,756 km) in the diameter at the equator.
B . Excessive commercial fishing
Reason: the other options are good things this is the only bad thing
