WorksheetsBio systems - pre test
Total questions: 10
Worksheet time: 5mins
How many chambers does the heart have?
1
2
3
4
Which of the following statements best describes arteries?
all arteries carry oxygenated blood towards the heart
all arteries contain valves to prevent the back-flow of blood
all arteries carry blood away from the heart
only large arteries are lined with endothelium
Which system helps to protect the body by destroying germs within the body?
Immune
Cardiovascular
Stomach
Small Intestines
Within an organism there is a hierarchy, from smallest to largest, as follows:
system, organ, organism, tissue, cell
organism, system, organ, cell, tissue
cell, tissue, organ, system, organism
tissue, cell, system, organism, organ
To communicate between cells, many multicellular animals use
nerve signals and respiratory gases
bones and muscles
respiratory gases and muscles
nerve signals and hormones
Which of the following statements best describes homeostasis?
Keeping the body in a fixed and unaltered state.
Constant change
Maintaining a near-constant internal environment.
. Altering the external environment to accommodate the body's needs.
The variable that is changed by the experimenter is
Independent Variable
Controlled Variable
Dependent Variable
Constant Variable
The kidneys are part of which body system.
Excretory
Respiratory
Endocrine
Immune
Antibiotics are a class of drugs that
Kill bacteria and viruses
Kill bacteria only
Kill bacteria and Fungi
Kill viruses only
How did you feel taking this quiz?
Too easy.
I felt confident on some answers, not all.
So lost, I have no idea what any of this means.
