Cardiovascular System
What causes high blood pressure?
Stress, poor diet, not enough sleep, smoking
What part of the lungs does carbon dioxide exchange happen?
Alveoli
What is the main control center of the nervous system?
The brain
Describe the difference between anxiety and stress
Anxiety- Made up/extraneous thoughts
Stress- Proven events/tasks to do
Why does your heart beat faster when you run?
Muscles need more oxygen and nutrients
What is a valve?
A valve is like a one-way door for blood
Prevents backflow
Trace the path of air from the nose to the alveoli.
Nose → trachea → bronchi → bronchioles → alveoli
What type of cell sends electrical signals in the nervous system?
The nueron
Explain how anxiety affects both the cardiovascular and respiratory systems.
Heart rate increases to pump more blood; breathing becomes faster to bring in more oxygen
what happens when a nerve block gets put in
nuerons cannot connect to that part of the body/the brain isn't able to communicate movement
Where are the atriums located on in your hear
Upper right and left cavities
To maintain poor lung health you should
smoke a lot
What is the difference between the central and peripheral nervous systems?
CNS = brain & spinal cord; PNS = nerves throughout the body
Which body system is mainly responsible for the anxiety response?
The nervous system
When someone feels anxious, name two physical symptoms the body may show.
Fast heart rate, rapid breathing, sweating, shaky muscles, stomach discomfort
What is an artery?
Carry blood away from the heart
What is popcorn lung?
Abcesses on your lungs from vaping
Describe the pathway of a reflex action.
Stimulus → sensory neuron → spinal cord → motor neuron → response
What part of the brain helps detect danger and trigger anxiety?
Amygdala
What is the CNS and what does it do?
What did Miss M relate it to?
The CNS is the central nervous system and it sends signals from the brain and then to the spinal cord
Tell me how urine is produced?
It is filtered blood through the kidneys
What chemical(s) is/are in vapes
fermeldahyde, nicotine, metals
Why are reflexes important for survival?
They allow fast, automatic responses to danger
How does the nervous system communicate with the heart and lungs during anxiety?
👉 Through nerve signals and hormones that increase heart rate and breathing
Through nerve signals and hormones that increase heart rate and breathing
Name all parts of the neuron and tell me how it functions
Nuerons send signals from the brain to the CNS and then to the PNS