[Answer] What is the relationship between the stoma and an air space?

Answer: A stoma opens into the airspace inside the leaf.
What is the relationship between the stoma and an air space?

Tue Jun 11 2002 14:30:00 GMT-0400 (Eastern Daylight Time) · Carbon dioxide a key reactant in photosynthesis is present in the atmosphere at a concentration of about 400 ppm. Most plants require the stomata to be open during daytime. The air spaces in the leaf are saturated with water vapour which exits the leaf through the stomata in a process known as transpiration. Therefore plants cannot gain carbon dioxide without simultaneously …

Laryngectomy is the removal of the larynx and separation of the airway from the mouth nose and esophagus.In a total laryngectomy the entire larynx is removed (including the vocal folds hyoid bone epiglottis thyroid and cricoid cartilage and a few tracheal cartilage rings). In a partial laryngectomy only a portion of the larynx is removed.

A cricothyrotomy (also called cric crike thyrocricotomy cricothyroidotomy inferior laryngotomy intercricothyrotomy coniotomy or emergency airway puncture) is an incision made through the skin and cricothyroid membrane to establish a patent airway during certain life-threatening situations such as airway obstruction by a foreign body angioedema or massive facial trauma.

Effects as a function of altitude. The human body can perform best at sea level where the atmospheric pressure is 101 325 Pa or 1013.25 millibars (or 1 atm by definition).The concentration of oxygen (O 2) in sea-level air is 20.9% so the partial pressure of O 2 (pO 2) is 21.136 kPa.In healthy individuals this saturates hemoglobin the oxygen-binding red pigment in red blood cells.

Tue Nov 25 2003 13:30:00 GMT-0500 (Eastern Standard Time) · In cancer/oncology: in situ means that malignant cells are present as a tumor but have not metastasized or invaded beyond the layer or tissue type where it arose. This can happen anywhere in the body such as the skin breast tissue or lung. For example a cancer of epithelial origin with such features …

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