Leaves on green plants contain openings called stomates, which are opened and closed by specialized cells allowing for gas to exchange between the leaf and outside environment. which phrase best represents the net flow of gases involved in photosynthesis into and out of the leaf through these openings on a sunny day? a) carbon dioxide moves in; oxygen moves out b) carbon dioxide and oxygen move in; ozone moves out c) oxygen moves in; nitrogen moves out d) water and ozone move in; carbon dioxide moves out

Sally, age 3 months, has a moist, red, vesicular rash on her cheeks, the backs of her hands, and her arms. her mother said sally was constantly trying to scratch the rash and often has difficulty sleeping. her father has a family history of allergic rhinitis and asthma. discussion questions. 1. review atrophic dermatitis from chapter 3 and discuss the pathophysiology of sally’s symptoms. 2. why is the father’s medical history significant, and what can sally expect as she grows up? 3. discuss the need to limit scratching, and describe practical methods to achieve this.