The human heart consist of four valves. One of these is the mitral valve which connects the left atrium to the left ventricle. During diastole, it opens to allow blood from the left atrium to flow to the left ventricle. But during ventricular systole, it closes to prevent backflow of blood back to the left atrium.
The maintenance of a stablel environment i think
Answer:
It is
b) The blog post should include engaging elements such as images, headings and subheadings,
links, etc.
Explanation:
Answer:
The global environment includes aspects of the environment that are globally determined, such as ozone depletion that can affect an individual's health. The outdoor environment refers to environmental factors that can directly influence an individual's health, but are specific to that individual's location.
