Rods enable us to see:

The coclea is located in the:

Myopia is a problem in which you can not see properly:

All of the following are healthy habits for the organ senses except for:

The central nervous system (CNS) is made up of:

The types of neurons are:

The part of the neuron that receives the nerve impulses is:

The membranes that surround the brain are the:

The autonomic nervous system is involved in actions that are:

The sympathetic nervous system is used:

People who suffer Parkinso´s disease have a problem in their:

People who suffer Schizophrenia have:

The part of the brain responsible of controlling heart beat, breathing and sleeping is:

The part of the brain where intelligence and memory lay is:

The spinal cord is responsible of:

The part of the brain responsible for balance is:

Conditions of the internal environment must be stable for cells to work properly, this is called:

The blood cells that protect the body from infection are:

Red blood cells function is:

The only blood cells that have a nucleus are:

Vessels that carry blood from heart to organs are:

Vessels in which the exchange between blood and cells is done are:

The two superior chambers of the heart are the:

The valve located between the left atrium and left ventricle is the:

The disease in which the arterial wall loses its elasticity and hardens is called:

Anemia is usually caused by insufficient:

The muscular bag responsible for storing the urine is the:

The place of the urinary system where the blood is filtered is the:

The inflammation of the bladder wall or urinary tract is called: