Bird sounds are made in the syrinx, but of course, the air sacs, passageways and the bird's lungs, also contribute to the production of sounds.
When birds start to sing,the 2 passageways between the lung and the syrinx, closes. Then, the sir is squeezed into the air sacs by the chest muscles. Squeezing the air sacs that surrounds the syrinx forces each of the two thin membranes in the syrinx into the 2 passageways between the lung and the syrinx.This process does not allow air to travel through.Afterwhich, muscles around the syrinx contract and tighten one membrane and pulls it out into the passageway (1 of the passageway). Air in that passageway can now move,which passes quickly over the membrane. That fast moving air causes a vibration, thus, sound is produced.
Answer:
so, OH- concentration will become 10 times the initial one
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The rate at which lactic acid is removed from the muscles can be increased by DRINKING WATER
HOW LACTIC ACID FORMS IN MUSCLES:
- Lactic acid is produced in the muscle cells when there is lac of or insufficient oxygen to perform aerobic respiration. During vigorous exercise e.g. running, oxygen is used up faster, hence, causing cells to switch to anaerobic respiration (fermentation) leading to the build up of lactic acid.
WAY TO HELP THE BODY GET RID OF LACTIC ACID IN MUSCLE CELLS:
- Lactic acid buildup often comes with pain and soreness in the muscles. However, the rate of removal of lactic acid in the muscle cells can be increased by staying hydrated (drinking water) prior to, during and post exercise.
The rate at which lactic acid is removed from the muscles can be increased by DRINKING WATER.
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Answer:
El tejido en las plantas vasculares que circula líquido y nutrientes.
El sistema vascular, también llamado sistema circulatorio, está formado por los vasos que transportan sangre y linfa a través del cuerpo. Las arterias y las venas transportan sangre por todo el cuerpo, entregando oxígeno y nutrientes a los tejidos del cuerpo y eliminando los desechos de tejido.
Explanation:
False. The bigger it is, the heavier it is, and gravity would pull it down faster.
