Answer:
D) four.
Explanation:
The two atria hold the blood that circulates away from the heart. The heart has four one-way valves, which open and close with each heartbeat. The tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles. Also you don't have to but mind marking Brainliest?
What where the following answers?
Being physically active can increase ur chances of living longer and it reduces ur health risk. For the mental thing more focus and motivation. Being socially active can give u a more positive outlook on life
Answer: No
Explanation: You need permission from the patient (signed consent) because giving medical records without consent is a HIPPA violation.