Answer:
Just as chromosomal abnormalities cause the majority of miscarriages, certain chromosomal problems and birth defects can increase the risk that a baby will be stillborn. ... Chromosomal abnormalities are usually determined at conception, but birth defects can be caused by environmental influences during pregnancy.
Explanation:
(b) Cardio exercises improve the strength of the limbs.
(c) Cardio exercises consist of fluid movements.
(d) Cardio exercises depend on increased oxygen flow.
Answer:
(d) Cardio exercises depend on increased oxygen flow.
Explanation:
Stretching exercises are more effective at increasing flexibility than cardiovascular exercises. This is because cardiovascular exercises depend on increased oxygen flow, which limits muscle flexibility. However, cardiovascular exercise has different benefits for the body, especially in relation to physical fitness and cardiorespiratory resistance. In addition, they promote weight loss and lean mass gain.