Lecture 1 Flashcards
What is comparative physiology?
It is the study of physiology between species.
What is an animal model for comparative physiology?
Naked mole rat
Why is the naked mole rat a superhero?
lifespan of 30 years, unable to get cancer, adapted to be insensitive to types of pain,
What causes the naked mole rat’s insenstivity to heat pain?
Amino acid change in TrkA
What what level do we need to understand physiological processes?
Molecular, cellular, organ and systems, whole organism
What do we need to do to live?
Develop and grow, compartmentalize and organize structures, maintain homeostasis, energy, respond and move, reproduce, and evolve
Why do we need energy for?
Digestion, metanbolism, secretion, excretion
What are the four properties that distinguish life?
- Only living organisms exchange matter and energy with the environment to continue their existance.
- Only living organisms can receive signals from their environment and react accordingly.
- What distinguishes a living organism is the life cycle of growth and reproduction.
- The living organism is able to adapt to canging circumstances.