What divides the heart into the left atrium and left ventricle from the right atrium and right atria parts?

If a person has a bad pain in their back, specifically lower back a bit above the hip, what should they do besides going to the doctor? what remedies could they use?

Design a questionnaire to indicate the level of a person’s wellness. have a friend or family member complete the questionnaire. make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.

Which of the following is true about vigorous intensity movements. playing single tennis or riding a bike on a hilly surface playing soccer riding bike on a flat surface playing double tennis or playing basketball all of the above