
SBI3U Chapter 12.1 The Function of Circulation

Quiz
•
Biology
•
11th Grade
•
Medium
Standards-aligned
Jason Broderick
Used 11+ times
FREE Resource
53 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
T/F - In single-celled organisms such as an amoeba, nutrients and respiratory gases enter the cell and waste materials leave the cell by diffusion and other cellular processes. Thus, single-celled organisms exchange matter directly with the outside environment.
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements about the "main functions of the circulatory system" is INCORRECT.
It transports gases (from the respiratory system), nutrient molecules, and waste materials (from the digestive system).
It regulates internal temperature and transports chemical substances that are vital to health from one part of the body to the other.
It protects against blood loss from injury and against disease-causing microbes or toxic substances introduced into the body
None of the other of the 3 are INCORRECT.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
T/F - The circulatory system has two major components: the heart and the blood vessels
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements about an "open circulatory system" is INCORRECT.
Many invertebrates have an open circulatory system.
The system is called “open” because blood flows freely within the body cavity and makes direct contact with organs and tissues.
The mixture of blood and fluids that surrounds the cells is called hemolymph.
Nutrients and wastes are exchanged between the hemolymph and cells in the heart chambers before the hemolymph passes back into the transporting vessel to be eliminated from the insect’s body
None of the other 4 choices are INCORRECT
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
T/F - Animals, such as all vertebrates, earthworms, squid, and octopus, used a closed circulatory system to circulate the blood, keep it under pressure, and pump it at a speed sufficient to supply the metabolic needs of all parts of the body.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
T/F - In a closed circulatory system the blood physically contained within vessels and separate from other body tissues. The blood follows a continuous fixed path of circulation and is confined to a network of vessels that keeps the blood separate from the interstitial fluid.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements about the "human heart" are INCORRECT.
It is located slightly to the left of the middle of the chest and is about the size of your fist.
The walls of the heart are made of a unique type of muscle called cardiac where the muscle cells are arranged in a network that allows the heart to contract and relax rhythmically and involuntarily without becoming fatigued.
In addition to pumping blood, a healthy heart also ensures that blood keeps fl owing in one direction only, and that oxygen-rich blood is kept separate from oxygen-poor blood.
None of the other 3 are INCORRECT.
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