Vocabulary Ch.15
What is the nasal cavity?
The air inside the nose that moistens incoming air.
What are you doing when you are breathing?
Inhaling and exhaling air.
The Cerebellum is also known as?
Little Brain
The human vertebral column (spine) is composed of __ stacked vertebrae.
33
What is the pharynx?
The organ that connects the passages of the nose and mouth to the esophagus.
What is the definition of inhaling?
Your chest expands, diaphragm flattens, air enters.
What is the central nervous system comprised of?
Brain
Spinal cord
The brainstem?
Located at the base, it manages automatic life-support functions like breathing, heart rate, and sleep cycles
Often called the "little brain," it coordinates voluntary muscle movements, balance, and posture.
What is the larynx?
The organ that helps prevent food from entering the trachea and contains vocal cords.
What is the normal amount of one breath of air?
.5L of air.
Skin is?
The body’s long term resiliace to disease is?
Immunity
What is the trachea?
The organ that conducts air towards the lungs
What do deep breaths do?
Move more air.
Lymphocytes are the?
Last Line of Defense against for the body
Smell works by?
Detecting airborne chemical molecules that enter the nasal cavity and bind to specialized olfactory receptors in the nose.
What is the circulatory system?
The circulatory system is the body system that moves blood throughout the body, delivering oxygen and nutrients to cells and removing waste products.
What happens when you have a poor alveoli?
You have shortness of breath.
Steady eaten antibodys from the outside is called?
Passive Immunity
When sound waves enter the ear they vibrate what?
Ear Drum