The Major function of the respiratory system is to exchange oxygen and carbon dioxide. Inhaled oxygen enters the lungs and reaches the alveoli, the layers of the cells lining the alveoli and the surrounding capillaries are each only one cell thick and are in very close contact with each other, the barrier between air and blood averages about 1 micron in thickness. Oxygen diffuses quickly through the air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled.
It is the most common sexually transmitted disease,
especially among college women. Yes it is painful because it produces painful
sores. Many parents believe that their daughters would become more sexually
active if they took this vaccine. Because
of the women with disabilities are more likely than other women to experience
discrimination, emphasis on physical
attractiveness.
Answer:
All organisms need air. There are organisms called anaerobic organisms that don’t need oxygen, but all organisms need air.
Explanation:
The answer is the Bursae. A bursa (plural bursae) is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of viscous synovial fluid. It provides a cushion between bones and tendons and/or muscles and also reduces friction. The major bursae are located next to the tendons near the large joints, such as elbows, shoulders, hips, and knees.
Answer:
RAtion foods. More systainable living
Explanation:
