Answer:
a mole that changes color
a mole with an irregular outline
Talk to a therapist, write your feelings in a journal, get a good amount of sleep, exercise, eat healthy, don’t isolate yourself- socialize, meditation, create and stay in a routine, clean and organize the space around you, relax by doing things you enjoy (warm bath, watch your favourite tv show, etc)
Answer: Gasses are exchanged across the alveolar membrane.
The exchange of gasses takes place across the alveolar membrane of the lungs. Our respiratory system are composed of nose, pharynx, larynx, trachea, bronchi, and lungs (alveoli) where gas exchanges between the blood and external environment by diffusion. Moreover, during the gas exchange, the oxygen enters the blood while carbon dioxide enters the alveoli.
