Your circulatory system consists of your heart, blood vessels and blood, and is responsible for transporting life-giving oxygen throughout your body. When you exercise, your body's need for oxygen increases; the harder you work out, the more oxygen your body demands.
Answer:
i think its vestigial, but if not then it is homologous.
hope that hepls!
Answer:
Explanation:
These changes have been triggered by the changing configuration of continents and oceans, changes in the Sun's intensity, variations in the orbit of Earth, and volcanic eruptions.
B. Halons............................
The accessory organ that has secretions that can neutralize
stomach acid before it reaches the intestines is the pancreas. The pancreas
produces and secretes sodium bicarbonate, which can protect intestines by
neutralizing stomach acid. This may also relieve symptoms of acid reflux
temporarily.
