Three hand signals you must know:
left turn hand signal - extending your left arm palm facing front
right turn hand signal - rest left elbow on the windowsill and raise forearm up. palms should be open
slow or stop signal - stick left arm out pointing down palm facing behind you
The action of leading a group of people or an organization
Chloroplasts could be found in blue-green algae
Specificity is the answer. You are targeting a certain muscle in your body to improve it for an upcoming sport or activity like running a marathon or entering a Mr.Olympian body-building competition.
