Unprotected sex, resulting in specific sexually transmitted diseases, may increase the risk of developing certain types of cancers. true or false

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

Can someone give me a hand with this one.

What type of breathing, also known as balanced breathing, makes the respiratory rhythm more regular, which in turn has a soothing effect on the entire nervous system?