Based on the Ways Cells Divide, Hayflick Places the Upper

question 129

Multiple Choice

Based on the ways cells divide, Hayflick places the upper limit of the human life-span potential at about ________ years of age.

• A) 90 to 100
• B) 100 to 110
• C) 120 to 125
• D) 110 to 119

Define and differentiate between REM and NREM sleep stages.

Understand the impact of external stimuli and conditions on sleep quality and patterns.

Comprehend the role of sleep in physiological and psychological health.

Describe the effects of psychoactive substances on the brain and behavior.