The heart must beat faster during exersise because by increasing the heart rate the body is able to increase cardiac output and deliver the necessary blood flow to the mucles
Doesn’t normally happen until your 40’s or 50’s
Reading through the entire investigation before beginning the procedure can help prevent accidents by giving you the knowledge of what to do beforehand and preparing you for what is to come.
Tree grass, bug's like ants wasp bees ,flowers,and weeds stuff like that