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7th Grade Body Review
Test Description: Review for the Unit test
Instructions: Answer all questions to get your test result.
1) Miko wonders which of her friends can run the fastest. She decides that a race, starting at the maple tree and ending at the oak tree, will answer her question. Which variable(s) is she planning to control?
A
Time
B
Neither time or distance
C
Distance
D
Both time and distance
2) Scientists who study people should be aware that:
A
People are all the same
B
No conclusions can be made about people
C
People cary in their responses, but general conclusions can be made
D
Each person is different, so conclusions can only be about individuals
3) Scientists collect evidence by making _________.
A
Inferences
B
Observations
C
Hypotheses
D
Opinions
4) Today a clinical trial of a new medicine would most likely include:
A
Use of a placebo
B
Large sample size
C
All of the above
D
Informed consent
5) A school is about to buy laptops. Which of the following information about the laptops is qualitative?
A
Color
B
Screen Size
C
Amount of memory
D
Weight
6) Which of the following structures is part of the human respiratory system?
A
Nose
B
Aorta
C
None of the above
D
Pancreas
7) An important function of the digestive system is to:
A
Transport nutrients
B
Absorb oxygen
C
Absorb nutrients
D
Control muscle movement
8) When coronary arteries become completely clocked, the result is often:
A
Stroke
B
High blood pressure
C
Heart attack
D
Memory loss
9) For food to be absorbed by our body, which of the following must occur?
A
Both
B
Chemical Digestion
C
Neither
D
Mechanical Digestion
10) Which of the following is an involuntary risk factor for heart disease?
A
Frequency of exercise
B
Smoking
C
A high calorie diet
D
Age
11) The sound of the heart (lub-dub) is caused by:
A
The arteries contracting
B
The ventricles contracting
C
The valves closing
D
The arteries closing
12) Blood transports:
A
Carbon Dioxide
B
Nutrients
C
Oxygen
D
All of the above
*select an answer for all questions
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