Muscular System

20%	What percentage of the female body is composed of muscles?
40%	What percentage of the male body is composed of muscles?
3	How many aponeurosis sheets in the body?
20-30%	How much of a muscle's energy is used for muscular contraction?
72 times	The average adult cardiac muscle cell contracts ___ times per minute
A wave heading down the muscle	What do the contractions on a smooth muscle look like?
a) tendon b) ligament	Name the connective tissue that: a) Connects muscle to bone b) Connects bone to bone
Abduction	To move an extremity away from the mid-sagittal plane
Adduction	To move an extremity towards the mid-saggital plane
Antagonistic pairs	What is it called when two muscles work in opposite directions, with inverse origins and insertions across the same joint?
Aorta	Oxygenated blood leaves the left ventricle into the ______
Aponeurosis	Broad, flat sheet of tendonous tissue which unites sheets of muscles to each other or to bones
Artery	Which blood vessel takes blood AWAY from the heart?
Atria (Atrium- singular)	The top two chambers of the heart are called the _____
Back of thigh	Where are the hamstrings?
Belly	What is the part of the muscle between the tendons?
Biceps brachii	Main muscle of the front of the arms
Biceps femoris	Main muscle of the hamstrings
Calcaneal tendon	The proper name for the Achilles tendon
Capillaries	The exchange of waste, CO2, and O2 occurs between cells and the blood at the _______
Centrally	Where in cardiac muscle cells are the nuclei located?
Centrally located	Where are the nuclei in smooth muscle cells?
Chew	The masseter allows you to ____
Circular	Orbicularis is derived from the word meaning _______