Muscular system
What percentage of muscles arise on the axial skeleton?
60
What are the 3 skeletal system?
Hydrostatic skeleton, exoskeleton, and endoskeleton
What is the nervous system system?
The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body
What are the 3 respiratory system?
The airway, the lungs, and the muscles of respiration
What is cardiovascular system?
Consists of the heart and blood vessels.
What is titin muscular dystrophy?
It stretches because of DNA
What is skeletal system and its function?
To support structure for your body
What are nerve signals?
A charge from electricity
What is the main organ of the respiratory system?
Lungs
What is the cardiovascular systems role?
To delivers oxygen, nutrients, hormones, and other important substances to cells and organs in the body
How many muscles are in the human body
About 600
How many bones are born with?
300
What is the main nerve in your body?
Spinal cord
On each side of your heart, inside your chest cavity
Where is heart located?
Chest
How much does muscle weigh?
1 liter is about 2.6 gallons
Are teeth bones?
No, this misconception might arise from the fact that both contain calcium
Purpose of nervous system
It's your body's command center.
Why do we have 2 lungs?
The bronchial tubes bifurcate naturally, and that there is a place for the heart and other "indivisible" organs in the middle
Is the heart a muscle?
Your heart is actually a muscular organ.
Is muscle heavier than fat?
They are the same weight
What are bones made of?
Framework of a protein called collagen, with a mineral called calcium phosphate
Where are nerves located?
All over your body, especially in your brain and spinal cord
The bronchial tubes bifurcate naturally, and that there is a place for the heart and other "indivisible" organs in the middle
Right lung
Why our blood is red?
Hair is an accessory organ of the skin made of columns of tightly packed dead keratinocytes found in most regions of the body.