Only your fingertips should touch the ball when setting in volleyball. It is a light push of the ball into the air. Too much hand will cause the ball to spin.
These seedless plants are burned to form coal.
2) By influencing a person's food choices
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.
