Circulatory System (Q1) Flashcards
The system in the body that transports nutrients or substances
Circulatory System
Two types of Circulatory Systems
Open Circulatory System & Closed Circulatory System
Which type of Circulatory System is this?
- Blood is contained within blood vessels
- Applies to mammals (including humans), fish, birds, reptiles, and amphibians
- Cardiovascular System
Closed
Which type of Circulatory System is this?
- No blood vessels
- Flows into open sinuses surrounding internal organs
Open
Parts of the Cardiovascular System
- Blood
- Blood Vessels
- Heart
Purpose of Blood
- Regulates body temperature
- Fights against diseases
- Carries nutrients and waste to/from different parts of the body
What are the 3 Formed Elements?
- Red Blood Cells
- White Blood Cells
- Platelets
Red Blood Cells are also called…
Erythrocyte
Function of RBCs
- Deliver oxygen
- Carry nutrients & carbon dioxide
What element gives RBCs their red color?
Iron
Oxygen-carrying blood is called..
Oxygenated blood, and it is brighter in color
Carbon-dioxide carrying blood is called…
Deoxygenated blood, and it is darker in color
White Blood Cells are also called…
Leukocyte
Function of WBCs
- Fight foreign organisms
Which formed element is known for having many different types?
WBCs
Platelets are also called..
Thrombocytes
Function of Platelets
- Prevents & stops bleeding
- Is responsible for blood clotting
Which of the formed elements will be activated when it detects a wound?
Platelets
Compare the size of the formed elements (biggest to smallest)
WBC - RBC - Platelets
Compare the abundance of the formed elements (most to least)
RBC - Platelets - WBC
Plasma is..
- Made of mostly water
- Composed of proteins, ions, etc.
- The reason why blood is liquid
What percentage of plasma is made of water?
90%
Function of Blood Vessels
- Help blood circulate
Acronym for Blood Vessels
A - away
V - back
C - change
