Radial and Carotid arteries
No, the LEFT ATRIUM receives oxygenated blood from the lungs and then pumps it to the left ventricle. So it's the left chamber that receives blood also.
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Ensuring the patients safety
Answer:
Principles
Explanation:
"Specificity and progression" are two principles related to maintaining physical health. Therefore we can say that the word "principles" is the most suitable to replace the word "thing".
Also, "Specificity and progression" are neither exercises nor muscles. Nor are they acronyms, since an acronym is the word formed by joining letters or initial syllables of a group of words, pronounced as one word.