The air that enters the lungs is richer in oxygen when it enters the lungs. when it leaves it has more carbon dioxide and less oxygen as the lungs expel carbon dioxde and some unused oxygen.
food enters, waste leaves
It enters the oviduct
Blood that leaves the pulmonary alveoli are fully oxygenated whereas the blood entering them are partially deoxygenated.
Customs is the name of the department that determines what enters and leaves the country
it is the cellmembrain
NUTRIENTS AND OXYGEN also water, minerals, and vitamins
STOMATA
cell membrane
The blood pressure is usually high when blood leaves the small arteries and enters the capillaries.
When a ray enters or leaves a glassblock, it may change direction due to refraction. Refraction is the bending of light as it passes from one medium to another of different optical density. This change in direction is caused by the difference in speed of light through the different mediums.
When an electric current enters a component, it carries energy and can cause the component to perform a function, such as generating light or heat. When the current leaves the component, it has already expended some of its energy, so the effect on the circuit or device may be different.
The blood pressure is usually high when blood leaves the small arteries and enters the capillaries.