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