Heart, Lungs, and Blood Vessels Flashcards
1
Q
What makes up the cardiorespiratory system?
A
Heart, lungs, and blood vessels
2
Q
Heart valves:
A
- Thin, connective structures
- Regulate direction of blood flow
- Open only in one direction–blood always moves forward
3
Q
Pumping blood:
A
- Delivers life-sustaining oxygen and nutrients to tissues
- Removes waste from metabolic processes
- Assists with controlling temperature and pH
4
Q
What are the pumps of the heart divided by?
A
A septum
5
Q
Atrium…
A
Receives blood
6
Q
Ventricle…
A
Pumps blood
7
Q
What does a septum do?
A
- Prevents blood flowing between pumps
- Houses electrical conduction system
8
Q
What is the pulmonary system?
A
Respiratory system
9
Q
Flow of air:
A
- From outside into nose or mouth
- Nose/mouth into pharynx
- Pharynx to trachea (windpipe)
- Trachea to primary bronchi
- Bronchi branches into smaller tubes: respiratory bronchioles, alveolar ducts, and alveoli
