Fill in the blanks:For a plant’s metabolism, both __________and __________are required.During the daytime, the rate of photosynthesis is usually higher than that of  ___________while at night it is just reverse in most plants.______respiration: Respiration that is carried out in the presence of oxygen. __________respiration: Respiration is carried out in the absence of oxygen. Alveoli: The structural and _______unit of lungs. Very small and numerous chambers are present in the lungs. ________: It is the common passage for food and air.Trachea: It Is also known as the windpipe. It connects the nose and _______to the lungs.Bronchi: It is the part of the trachea that enter the _______. These conduct air into the lungs.  Bronchioles: The bronchus branches into smaller tubes which in turn become _______.Epiglottis: A flap-like muscular _____that controls movements of air and food towards their respective passages.