How many bones does the human body have?
206
Your nervous system receives, processes, and responds to stimuli in less than a second
True
How many chambers does the heart have?
4
Where does digestion begin?
The Mouth
What natural body defense makes it hard for pathogens to reproduce?
Fever
The tissue in the center of most all bones
Marrow
The command center, or coordinator of the nervous system
Brain
Bloods vessels that carry blood away from the heart to various parts of the body
Arteries
90 Percent of digestion takes place where?
Small Intestine
A combination of body defenses made up of the cells, tissues, and organs that fight pathogens in the body
Immune System
A type of connecting tissue that holds bones to other bones at the joint
Ligaments
The brain and the spinal cord
Central Nervous System/CNS
Bloods vessels that carry blood from all parts of the body back to the heart
Veins
Organs that remove waste material including salts from the blood
Kidneys
Special white blood cells in the lymphatic system
Lymphocytes
Muscles attached to bones that enables you to move your body
Skeletal Muscle
What is another name for your Neurons?
Nerve Cells/Nerves
A passageway in your throat that takes air into and out of your lungs
Trachea
A digestive gland that secretes bile to help digest fats
Liver
Proteins that attach to antigens, keeping them from harming the body
Antibodies
Type of muscle found in organs, blood vessels, and glands
Smooth Muscle
The nerves that connect the central nervous system to all parts of the body
Peripheral Nervous System/PNS
A flap of tissue in the back of your mouth that keeps food out of your trachea
Epiglottis
A gland that produces a blend of enzymes that help break down proteins, carbohydrates, and fats
Pancreas
Substances that send the immune system into action
Antigens