Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
Its the last awnser " a grandfather who changed his life after time in prison
True, Arteries carries oxygen rich blood to capillaries
Answer:
Why is it important to understand the different types health professionals? Knowing what each healthcare professional does will help people select the right professional for their problem, which can lead to a quicker diagnosis, treatment, and recovery. Prescription drugs account for 25% of all healthcare-related costs.
Explanation: