Answer:
The epiglottis must be pulled down.
Explanation:
Epiglottis is a leaf-shaped located about the tracheae or the windpipe in the throat of the humans. The esophagus and the trachea in the body are aligned parallel y to each other in the human body.
While breathing, the epiglottis does not cover the windpipe and allow the gas to enter but during swallowing of the food, the epiglottis is pulled down and covers the trachea to allow the food to enter the esophagus only and not the windpipe.
Thus, the selected option is correct.
You could be depressed from a lot of different things, from losing your job to someone passing away
It starts when you put food in your mouth, then goes to the stomach, where the proccess begins
The calcium that triggers muscle contraction is stored in synaptic vesicles called endoplastic reticulum. that is not the only function of the endoplastic reticulum it is also a network of a membranous tubules within the cytoplasm of a eucryotic cell continuous with the nuclear membrane.
Petit-mal seizure
Petit mal seizure is a form of
epilepsy with short sudden, unannounced lapses in consciousness. Impairment of
consciousness is the essential symptom. The sufferer experiences loss of
consciousness for 10 to 30 seconds, eye or muscle flutterings and a loss of
muscle tone.