One thing that must be transported around is a gas called ______. Oxygen enters the blood through the ______.
1 answer:
Answer:
oxygen and lungs
Explanation:
because when you breathe you inhale oxygen and the lungs put it in the blood
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Answer:
false
Explanation:
you x syndrome 7 u yg
You should be able to talk during moderate exercise, but won't be able to sing, because it would disrupt breathing.
Telling you what's wrong, when it happened, and what they did prior to something being wrong.
Answer:
because they help you in many ways
