Though we say that women have lost a lot of blood during menstruation might the cause of low blood volume, but this is not the case.
Testosterone being the male hormone causes an increase in red blood cells production which is responsible for the difference. Testosterone derivatives can also be used to treat anaemia.
The answer is Pharyngeal Phase and Esophageal Phase stages of swallowing. In the pharyngeal phase, the bolus of food is pushed against the epiglottis, which closes the respiratory tract. The upper oesophageal sphincter relaxes and the bolus moves into the esophagus. In the oesophageal phase, the oesophageal sphincter closes when the bolus moves down and peristalsis action takes over to move the food down the oesophagus.
Answer:
Iguanas
Explanation:
Dinosaurs used to be depicted as slow, unintelligent, lizard like animals. Iguanas fit that mold perfectly. Now we know they acted more like birds than lizards (Theropod dinosaurs anyway)
Mating is a innate adaptation.
