Answer:
<em>In heart valve disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct direction. In some cases, one or more of the valves don't open or close properly.<u> This can cause the blood flow through your heart to your body to be disrupted.</u></em>
The cycle of carbon movement between the biosphere, atmosphere, hydrosphere, and geosphere is a complex and important global cycle. ... Carbon is continuously circulated between reservoirs in the ocean, land, and atmosphere, where it occurs primarily as carbon dioxide.
Answer: D) Motor neuron
Explanation: The sympathetic nervous system prepares the body for situations that require alertness or strength, such as situations that arouse fear, anger, emotion, or shame ("fight or flight" situations). In this type of situation, the sympathetic nervous system stimulates the heart muscles to increase the heart rate, dilates the bronchial tubes of the lungs (increases oxygen retention) and causes the dilation of blood vessels that supply the heart and skeletal muscles (increasing the blood supply).
Answer:
What do fossils provide evidence of?
-Fossils provide evidence of the earliest forms of life.
Which of the terms is used to describe the difference between them?
- Evolution
Starting with the retention of light by chlorophyll, the light responses change over light vitality into concoction vitality as ATP and NADPH. The ATP gives the vitality, and the NADPH supplies the electrons for the Calvin cycle, which changes over carbon dioxide to sugar.