Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
When we breathe in oxygen exchanges in the blood. When we do this it enters the blood and into capillaries. Carbon dioxide moves from the blood to the air.
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
ReplyDeleteIt exchanges through the blood and cells
ReplyDeletealveoli
ReplyDeletealevoli
ReplyDeleteWhen we breathe in oxygen exchanges in the blood. When we do this it enters the blood and into capillaries. Carbon dioxide moves from the blood to the air.
ReplyDeleteGas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
ReplyDeletethere exchanged by blood
ReplyDeleteThey are exchanged through the blood.
ReplyDeleteThey are exchanged through the blood.
ReplyDeletetheir exchanged through the blood.
ReplyDeletethey are exchaged there the blood
ReplyDeleteoxygen, carbon dioxide are exchanged in the lungs and other body tissue through the blood
ReplyDeleteOxygen, carbon dioxide are exchanged in the lungs and other body tissue by the blood.
ReplyDeleteGas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them
ReplyDeleteThey are exchanged by the blood.
ReplyDeleteOxygen and carbon dioxide exchange in the lungs by the blood.
ReplyDeleteGas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
ReplyDeleteby blood
ReplyDeletethey are carried there by blood cells
ReplyDelete