3. which of the following is/are true? a. the brain is composed of nerve cells called neurons. b. neurons are used by the brain and nervous system to form communication pathways. c. alcohol and drugs affect the way our neurons transmit and receive messages d. all of the above

Psychological disorder. transgender disorder

The average resting heart rate (hrrest) for a 34 year old is 73 beats per minute2. 34 year old males average heart rates of 71 bpm while females average slightly higher at 76 bpm2. the normal resting heart rate range for all adults and children 10 and over is between 60 and 100 beats per minute3. 90% of 34 year olds resting pulses fall within the range of 54 to 92 bpm. in general, an adult's resting heart rate will be lower for those in better athletic condition.