This image shows the inside of a human lung. There is a space between the alveolar sac and the capillary where oxygen and carbon dioxide diffuse between lung and blood. Which structures form this blood-air barrier?

A) structures A and B

B) structures B and C

C) structures C and D

D) structures D and B

Create a personal plan of preventative health and dental management. what steps can you take to maintain your health and wellness? (here's the edg answer because i can't comment) it is important to see my doctor regularly for an annual checkup. i will ensure that i receive all vaccinations so that i can prevent serious diseases such as mumps and measles. i will also perform monthly self-exams to check for lumps so that i can detect cancer early. i will visit my dentist twice a year for cleanings, and once a year for a dental exam, so that problems such as cavities can be taken care of promptly.

Which of the following describes the rooting reflex? a. a newborn turns the face toward a touch on the cheek in search of food. b. a newborn will automatically suck on objects placed in the mouth like a bottle. c. newborn immersed in water will display something like movement. d. newborn curls a hand around an object that touches the palm

How can someone meet the need to belong in a healthy way?