Muscular System
What percentage of an average person’s body weight comes from muscles
85%
Which part of your brain is better developed if you are left-handed
The right side
Your heart is about the same size as your what?
Fist
How do muscles work to move bones?
In pairs
Your muscles are working even when you are asleep.
True
Which type of muscle is completely voluntary, meaning you choose to move it?
Skeletal muscle
The Central Nervous System (CNS) is made up of which two parts?
Brain and spinal cord
What type of muscle is your heart made of?
Cardiac muscle
Muscles are attached securely to your bones by rope-like tissues called what?
Tendons
The brain is highly sensitive to feeling its own physical pain.
False
What is the muscular wall that divides the left and right sides of the heart
Septum
Name 2 ways you can help your brain work better.
Exercise, eat healthy, do word puzzles
What is the name of the main, large artery that pumps blood out to your body
Aorta
Approximately what percentage of your brain is made of water?
80-85%
Muscles always work in pairs.
True
A muscle that bends a part of your body (ie. when you show the muscles in your arm) is called a:
Flexor
The biggest part of the brain used for thinking
Cerebrum
The right side of the heart pumps blood directly to your ______________ to get oxygen.
Lungs
What are 2 possible causes of Cerebral Palsy?
Accident/brain injury, oxygen deprivation
Skeletal muscles can function both voluntarily and involuntarily (like blinking).
i
True
What type of muscle is your heart?
Involuntary
The human brain is about the size of a what?
Small grapefruit
The muscular wall that divides the left and right sides of the heart?
Septum
Adult humans have this number of vertebrae.
26
The upper chambers of the heart are called the ventricles.
False