The diagram illustrates a heart defect that some babies are born with. The arrows show the direction in which blood flows. Which statement explains why this heart defect could lead to poor growth in the baby?
- ABlood flows to the lungs at high pressure increasing rate of gas exchange.
- BBlood flows to the lungs at low pressure decreasing rate of gas exchange.
- CMixing of blood results in less oxygen available for respiration.
- DMixing of blood results in more glucose available for respiration.