To delay the onset of muscle fatigue, not all the motor units in a muscle will contract at the same time. some will remain relaxed while others are contracting. if the contraction continues, and greater force is needed, more motor units will be recruited. a. true. b. false.

Mark's girlfriend dropped him off at a party, and then she went to visit her best friend two blocks away. when mark called his girlfriend to get a ride home, he could tell she had been drinking. what is mark's best plan of action? ride home with someone else and let his girlfriend drive herself get a friend to take him to his girlfriend's car so he can drive them both home ask his girlfriend to drive to the party, and then mark will drive them both home let his girlfriend drive them home slow to avoid getting pulled over

The type(s) of air pollution you will be discussing

Blank is the growth of adnormal cells in the tissues of the body