Mistakes

In birds, its primary function is in the strengthening of the thoracic skeleton to withstand the rigours of flight.

Any physical movement or change in position or place relative to a reference point

How fast something moves overall

Seat belts stop you tumbling around inside the car if there is a collision. Upon sensing a collision the seat belts lock in place. When the car crashes, there is no unbalanced force acting on the person, so they continue forward (Newton’s First Law). The person moves against the seat belt, exerting a force on it. The seat belt then exerts a force back on the person (Newton’s Third Law). This causes a controlled deceleration of the person.

A medical procedure whereby an egg is fertilised by sperm in a test tube or elsewhere outside the body.

Social consideration: Not everyone can afford IVF so it is not an equitable treatment. Should some people miss out on having a baby just because they can not afford IVF? Children born through methods like IVF are more prone to complications like mental retardation, chronic lung problems, cerebral palsy and learning disabilities Ethical consideration: the replacement of the marital act in pro- creation.It has been reported that some IVF doctors have been pressured to achieve high success rates and implant several fertilised eggs into a woman,instead of just one.This has resulted in multiple births, which is less safe for the mother and the babies.