Circulatory System Flashcards
1
Q
What are the 2 forms of closed circulatory systems?
A
Single
Double
2
Q
What does a single closed circulatory system consist of?
A
Heart with two chambers meaning the blood passes through the heart once for every circuit of the body
3
Q
What does a double closed circulatory system consist of?
A
Heart with four chambers and blood passes through the heart twice for every circuit of the body
4
Q
Why is a double closed circulatory system more efficient?
A
Increases pressure and therefore speed of delivery of oxygenated blood to tissues
5
Q
What is the circulatory system made up of?
A
Heart which pumps blood through blood vessels to reach different parts of the body
6
Q
What does blood transport?
A
Gases, products of digestion, metabolic wastes and hormones around the body
