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Which substances are exchanged between the blood in the capillaries and the air in the alveoli?
Oxygen, carbon dioxide, and water are the substances exchanged between the alveoli (air sacs) and the capillaries in the lungs.
What is the substance that the capillaries absorb from the lungs?
The capillaries absorb oxygen at the lungs. This occurs near the alveoli.
How can substances move across capillaries?
Substances typically move across capillaries via diffusion.
O2 enters the capillaries and ----- from the capillaries passes in to the lungs?
Carbon dioxide is produced as a waste product of respiration, and is taken in the bloodstream to the capillaries outside the lungs, where the CO2 diffuses into the alveoli of the lungs.
Oxygen diffuses into the capillaries of the lungs because there is a?
greater concentration of oxygen in the air sacs of the lungs than in the capillaries.
How are the lungs and the capillaries connected?
The lungs contain air sacs called alveoli which are surrounded by blood capillaries to allow gaseous exchange.
Capillaries are to body tissues as are to lungs?
oxygen
What substances absorbed into the lymph capillaries?
LYMPH
What substances are absorbed into the lymph capillaries?
LYMPH
Oxygen diffuses into the capillaries of the lungs because there is?
It diffuses because the concentration of oxygen in the capillaries is lower than the concentration of oxygen in the air (law of diffusion).
Why exchange of substances blood and cells take place through capillaries?
Capillaries have thin and permeable walls which allow the exchange of substances (such as nutrients, oxygen and CO2) to occur. This enables substances to dissociate throughout the entire body (as capillaries are present throughout the entire body).
How does marijuana get inside you?
It enters through the capillaries of the lungs.
