Alveoli are tiny balloon shaped structures and are very important part of the respiratory system. The function of the alveoli is to exchange oxygen and carbon dioxide molecules to and from the bloodstream. Through them oxygen enters the bloodstream and some of the waste products of metabolism (carbon dioxide) exit the body.
Blood is NOT transferred by alveoli. Correct answer: B
Answer:
going to the washroom, blinking, swallowing
Answer: false
Explanation:
The psychosocial environment involves the interaction of the sources of stress in the life of the individual and the communities.
The psychosocial environment involves the interaction and responses towards the stressors in the lives including the traffic jam, diseases, job related problems, and homelessness. The stress can also be brought about by the unhealthy relationships. For school going students the punishment, poor grades, threat from teacher are some of the psychosocial environmental factors.
Based on the above description, the given factors are not the examples of psychosocial environment.
Answer:
When we breathe, the air goes through the trachea and bronchi and splits at the tracheas base with one entering each lung. The air divide itself into the bronchioles. Then diffusion happens by swapping the CO2 in the capillaries with O2 in the airsacks. The oxygen hemoglobin gets transported to all of the bodyand the Co2 is exhaled.
Explanation: