The diagram illustrates the circulatory system of a fish - Scottish Highers Biology - Question 6 - 2018
Question 6
The diagram illustrates the circulatory system of a fish. The arrows indicate the direction of blood flow.
Which row in the table describes the type of circulatory ... show full transcript
Worked Solution & Example Answer:The diagram illustrates the circulatory system of a fish - Scottish Highers Biology - Question 6 - 2018
Step 1
Type of circulatory system
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Fish possess a single circulatory system. This means that blood passes through the heart only once during each complete circuit through the body.
Step 2
Blood pressure in the capillaries in the gills
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The blood pressure in the capillaries in the gills is generally higher. This is necessary in order to facilitate efficient gas exchange as the blood flows through the gills.
Step 3
Blood pressure in the capillaries in the body tissues
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
In the capillaries in the body tissues, the blood pressure tends to be lower. This reduction is important for the exchange of gases, nutrients, and waste products between the blood and body cells.
Join the Scottish Highers students using SimpleStudy...
