<span>The skull protects the brain and the vertebrae protects the spinal cord. The brain and spinal cord are wrapped in three layers of connective tissue called meninges. Between the meninges and the central nervous system tissue is a space filled withcerebrospinal fluid.</span>
        
             
        
        
        
<u>Typical symptoms of TB include:</u>
- a persistent cough that lasts more than 3 weeks and usually brings up phlegm, which may be bloody.
- weight loss.
- night sweats.
- high temperature.
- tiredness and fatigue.
- loss of appetite.
- swellings in the neck.
 
        
                    
             
        
        
        
That's 11 to 20 lbs. (about 5 to
9 kg)
        
             
        
        
        
Epithelial, connective<span>, muscular, and nervous </span>tissue<span>. </span>