Answer:
The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) of blood circulating inside their bod
Explanation:
Answer:
lungs and blood vessels, airway
Explanation:
because the respiratory system are a system that helps people breate. the lungs breathe in oxygen and then breathe out carbon dioxide. the blood vessels carries the oxygen into the body to other part of the system in the body that needed oxygen to make glucose.
it is not a prescription drug
I fell D is the correct answer
The climate would become colder...
