Which describes the heart’s ventricles? the flaps of tissue inside the heart the heart’s lower chambers the cells that regulate heart rate the heart’s upper chambers

Which is one step that teens can take to advocate for food security in their communities? ask local gyms for free memberships. visit their mayors to present ideas on how to increase the availability of local yoga classes petition parks departments for walking trails. write letters to the editor of the local newspaper about a lack of full-service grocery stores.

How could you find out if that advice is based in scientific evidence?

Which of the following processes does the body not use protein to perform? a. repairing muscles b. producing hormones c. making hemoglobin d. creating amino acids