Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
What are the different kinds of blood vessels?
|
Ateries
Capillaries Veins |
|
|
Describe the different kinds of blood vessels.
|
Arteries- carry blood away from heart.
Capillaries- smallest branches from the smallest arteries Veins- large. Carry blood to the heart. |
|
|
Why is it bad to have a high diastolic blood pressure reading?
|
there is more pressure on the ventricle relaxed
|
|
|
Where does oxygen-carbon dioxide exchange actually take place?
|
In the lung after every alvioly, then the red blood cells carry O2 to the rest of the body
|
|
|
Descirbe the roles of the different coponents of blood.
|
1. plasma- liquid component, 55%, substances as nutrients and hormones.
2. Red Blood Cells- carry 02 from the lungs 3. White Blood Cells- immune system 4. Platelets- Blood clotting |
|
|
Why is LDL considered "bad cholesterol"
|
LDL carries cholesterol TO body tissues and stores it.
|
|
|
Why is HDL considered "good cholesterol"
|
HDL carries cholesterol AWAY from body tissue.
|
|
|
What does the diaphram do when you inhale?
|
It contracts and flattens
|
|
|
What is the difference between a heart attack and a stroke?
|
A heart attack occurs when the artery carrying blood to your heart becomes blocked. A stroke occurs when the artery carrying blood to your brain becomes blocked.
|
|
|
What causes emphysema and what occurs with this disease?
|
Smoking tobacco causes emphysema. What occurs is the aveoli in the lungs no longer function properly.
|
|
|
How do the cardiovascular system and the respiratory system work together to deliver oxygen?
|
The cardiovascular system helps you send O2 to blood cells and the respiratory system brings O2 in and sends O2 out.
|
|
|
What is the purpose of a natural pacemaker in the heart?
|
The rate at which your muscles contract, the pacemaker recieves messages from the brain to increase or decrease your heart rate.
|
|
|
Describe the path that blood takes through the heart. Include all the chambers of the heart.
|
The O2 enters through the Right Atrium as O2 poor blood, then passes through the right ventricle, the lungs, then the Left atrium, and then exits out the Left Ventricle as O2 rich blood.
|
