Answer:
D. The nerves exit the central nervous system in the head and from the lumbar spine.
Explanation:
The preganglionic neurons transmit the nerve impulses through the cranial or spinal nerves that arise from the brain, to the postganglionic neurons from where the nerve fibers that relay these nerve signals to the different viscera and effector organs, located along the spinal cord
The answer to this question would be: <span>by converting glucose to glycogen.
Brain cells only able to use energy from glucose, so if the body glucose level is too low the brain cells can't work as it doesn't get any energy/food. When glucose level is decreased, the liver will start to convert glycogen into glucose to keep the glucose level.</span>
Answer:
Transport proteins function in both active and passive transport to move molecules across the plasma membrane. ... These channel proteins are responsible for bringing in ions and other small molecules into the cell. It's important to remember that each channel protein can only bring in a specific molecule.
Explanation:
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
