Answer:
The oesophagus (gullet) is part of the digestive system, which is sometimes called the gastro-intestinal tract (GI tract). The oesophagus is a muscular tube. It connects your mouth to your stomach.
Answer:
A. The brain could not monitor the expansion and relaxation of the aorta.
Explanation:
Baroreceptors are sensors present in the aortic arch and in the carotid sinus which are responsible to sense the blood pressure and brain the communicate this information to central nervous system for maintaining the blood pressure.
When baroreceptors stopped working or uring baroreceptor dysfunction, the blood pressure increases but returns to normal after an hour. In baroreceptor dysfunction, brain will be unable to monitor the expansion and relaxation of the aorta and results in the increase blood pressure. Soon the baroreflex occurs and helps in returning the pressure toward a normal level.
Hence, the correct option is A.
When there is too many lets say, lions and not enough zebra to eat then some of the lions will die from lack of food
The first cell that was viewed by the light microscope was the oak bark.
