In assessing the adequacy of the patient's breathing. The healthcare practitioner should observe the rise and fall of the chest. In this inspection, the healthcare practitioner can assess two things: (1) patency of the airway and (2) the adequacy of breathing. A decrease or asymmetry in chest expansion may point out to pathologies such as pleural effusion or pneumothorax.
The main difference between homologous structures and vestigial structures is that homologous structures are the similar anatomical structures inherited from a common ancestor whereas vestigial structures are the anatomical structures which have reduced their size as they are no longer used.
Answer:
Helium
Explanation:
Helium is extracted in a few places in the world, namely USA, Algeria, Russia and Qatar. Helium is abundant in space, where it's produced as a product of the fusion reaction inside stars such as the sun.
Answer: a vector
Explanation:
A Vector is a physical quantiy that has can magnitude and direction. Examples of vectors are Velocity, acceleration, force, momentum etc
Now, since velocity is defined as the displacement experienced by an object in a specified direction, it is therefore correct to call velocity a vector
