Ch2 - Vocab (pp. 34-39) Flashcards
1
Q
Cardiology
A
The study of the heart and the body’s network of blood vessels and their functions
2
Q
Atria
A
- The pumping mechanisms of the heart
- Upper two chambers
- Thin-walled
3
Q
Ventricles
A
- Lower two chambers
- Thick-walled
4
Q
Aorta
A
The body’s largest artery
5
Q
Venae Cavea
A
The body’s largest vein
6
Q
Blood Pressure
A
The amount of force that blood exerts upon the walls of the blood vessels.
7
Q
Systolic Pressure
A
- Pressure during a contraction
- highest number
- first number
8
Q
Diastolic Pressure
A
- Pressure during relaxation
- lowest number
- second number
9
Q
Pulse
A
The rhythmic change of pressure that causes the arteries’ walls to bulge outward and then return to normal.
10
Q
Respiratory Tract
A
- Nasal/Oral Cavity (nose/mouth)
- Pharynx (throat)
- Glottis (opening to the trachea)
- Larynx (voice box)
- Trachea (windpipe)
- Epilglottis
- Vocal cords
- Bronchi (branches)
- Bronchioles (tubes)
- Aveoli (air sacs)
11
Q
Diaphragm
A
Thick sheet of muscle separating the thoracic and abdominal cavities.