Perform each exercise below for ONE MINUTE. Record your heart rate after each one. Don't forget to take your heart rate for 30 seconds and then double that number. That is the number you will record after each exercise. 1. Run

2. Push ups

3. Jumping Jacks

4. Walk

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly.c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus.d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.