Where is the cerebrospinal fluid absorbed into the cardiovascular system?

arachnoid villi

subarachnoid space

fourth ventricle

dural venous sinusSay which one is: divergent circuit, convergent circuit, parallel circuit after discharge or reverberant circuit

a. Look at a lit light bulb, close your eyes and keep “seeing” the light.

b. Various stimuli are persistently delivered to the muscles of the diaphragm to contract and pulmonary respiration occurs.

c. Information about the stretching of the diaphragm reaches the respiratory center in the brain stem, information about the pH of the blood and CO2 concentrations in the muscles is provided, and an appropriate breathing pattern is established.

d. One neuron in the brain stimulates thousands of muscle fibers.

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