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Body Systems Review

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

First & Last Name

4 lines
2.

Which of the following is part of the human respiratory system?

a)

aorta

b)

pancreas

c)

nose

d)

all of the above

3.

What path does food take through your digestive system?

a)

stomach, esophagus, small intestine, large intestine

b)

stomach, small intestine, large intestine, esophagus

c)

esophagus, stomach, large intestine, small intestine

d)

esophagus, stomach, small intestine, large intestine

4.

After running for a few minutes, your pulse is likely to have ______________.

a)

increased

b)

decreased

c)

stayed the same

d)

first decreased and then increased

5.

Touch receptors are part of which system?

a)

immune

b)

nervous

c)

muscoskeletal

d)

endocrine

6.
An important function of the digestive system is to ______________.
a)
control muscle movement
b)
absorb oxygen
c)
absorb nutrients
d)
transport nutrients
7.
If you regularly eat more calories than your body uses, you are likely to ______________.
a)
gain weight
b)
lose weight
c)
have no change in weight
d)
first gain weight and then lose weight
8.
An important function of the respiratory system is to ______________.
a)
control muscle movement
b)
absorb oxygen
c)
absorb nutrients
d)
transport nutrients to other part of your body
9.
Which of the following are wastes produced by your body?
a)
carbon dioxide
b)
urine
c)
feces
d)
all of the above
10.
Your pulse is the number of times _____________.
a)
you breathe in and out over a period of time
b)
you breathe in and out during your lifetime
c)
your heart beats in a period of time
d)
your heart beats during your lifetime
11.

What is most likely to happen to your resting pulse after exercising regularly for several months?

a)

It will increase

b)

It will decrease

c)

It will stay the same

d)

It will become more variable

12.

Which best describes the organization of the human body from largest to smallest?

a)

organs, organ systems, tissues, cells

b)

organ systems, organs, tissues, cells

c)

organ systems, tissues, organs, cells

d)

cells, tissues, organs, organ systems

13.

For food to be absorbed by your body, which must occur?

a)

mechanical breakdown

b)

chemical breakdown

c)

both a and b

d)

neither a nor b

14.

One main function of capillaries is to _____________.

a)

carry oxygen and nutrients to every cell

b)

reverse the flow of blood

c)

prevent people from bleeding too much when they are cut

d)

maintain normal blood pressure

15.
Blood transports _____________.
a)
oxygen
b)
carbon dioxide
c)
nutrients
d)
all of the above
16.
Blood is primarily moved around the human body by ______________.
a)
the heart beating
b)
the process of breathing
c)
skeletal movement
d)
none of the above
17.
A good model of the human heart might show the heart as a ______________
a)
balloon
b)
hose
c)
pump
d)
valve
18.
The human heart normally beats about ______________ times per minute.
a)
20 - 40
b)
60 - 80
c)
100 - 120
d)
150 - 170
19.
Blood leaving the human heart may go to ______________.
a)
arteries in the heart
b)
the lungs
c)
other parts of the body
d)
all of the above
20.
The human heart is a(n) ______________.
a)
muscle
b)
organ
c)
both a and b
d)
neither a nor b
21.
Oxygen passes from the blood into organs through the walls of ______________.
a)
atria
b)
arteries
c)
capillaries
d)
veins
22.
Which is not part of the digestive system?
a)
stomach
b)
taste bud
c)
mouth
d)
small intestine
23.

Which is most responsible for the mechanical breakdown of food?

a)

saliva

b)

teeth

c)

stomach

d)

small intestine

24.

Chemical digestion mostly occurs in the _________.

a)

liver and pancreas

b)

liver and gall bladder

c)

stomach and intestines

d)

esophagus and stomach

25.

How does mechanical breakdown affect chemical breakdown during digestion?

a)

Mechanical digestion increases the speed of chemical breakdown.

b)

Mechanical breakdown decreases the speed of chemical breakdown.

c)

Mechanical breakdown has no effect on chemical breakdown.

d)

None of the above

26.
Nutrients are ______________.
a)
transported by the blood
b)
needed by every cell
c)
absorbed from the small intestine
d)
all of the above
27.
An important function of the circulatory system is to ______________.
a)
control muscle movement
b)
break down food
c)
absorb nutrients
d)
transport nutrients to other part of your body
28.
What prevents blood from flowing back into the heart?
a)
valves
b)
muscles
c)
blood pressure
d)
the heart wall
29.
Scientists collect evidence by making ______________.
a)
hypotheses
b)
inferences
c)
opinions
d)
observations
30.
Which of the following is NOT a part of a well-designed experiment?
a)
control
b)
multiple trials
c)
a reproducible procedure
d)
small sample size
31.

Variables that might affect how long it takes Ali's baby sister to fall asleep include ______________.

a)

time of day

b)

noise levels

c)

both a and b

d)

none of the above

32.

Which variable(s) is Miko planning to control in the race?

a)

time

b)

distance

c)

both a and b

d)

none of the above

33.

Sean waters five plants with seawater and five with fresh water. Which variable did he keep constant?

a)

daily amount of sunlight

b)

daily amount of water

c)

both a and b

d)

none of the above

34.

Sean waters five spider plants with seawater and five with fresh water for 20 days. Based on the results, what can Sean conclude?

a)

Spider plants grow better with fresh water than salt water.

b)

Spider plants need water to grow.

c)

Spider plants need to be near a window.

d)

Salt water does not affect the growth of spider plants.

35.

Sean waters five plants with seawater and five with fresh water for 20 days. Which statement about his experiment is TRUE?

a)

His experiment included a control.

b)

His experiment included too many variables.

c)

The results of his experiment apply to all plants.

d)

The results of his experiment cannot be used to make a conclusion.

36.

If you participate in a clinical trial for a new asthma medicine, you could receive ______________.

a)

the medicine

b)

the placebo

c)

either a or b

d)

neither a nor b

37.
Today, a clinical trial of a new medicine would most likely include ______________.
a)
informed consent
b)
use of a placebo
c)
large sample size
d)
all of the above
38.

The benefit gained from testing medicines on people is known as ______________.

a)

a consequence

b)

evidence

c)

a trade-off

d)

a conclusion

39.
Scientists who study people should be aware that ______________.
a)
people are all the same
b)
no conclusions can be made about people
c)
people vary in their responses, but general conclusions can be made
d)
each person is different, so conclusions can only be made about individual people
40.

Scientists tested a new cough medicine on two groups. Group A got the medicine, and Group B got a placebo. They checked if the coughs improved and noted any side effects. How well does the medicine work?

(a)  

41.

A tissue in your body that includes both cells and liquid materials

a)

arteries

b)

capillaries

c)

blood

d)

veins

e)

neuron

42.

The tubes that carry blood back to your heart

a)

arteries

b)

capillaries

c)

blood

d)

veins

e)

neuron

43.

Tubes with walls so thin that oxygen, nutrients, and waste can pass through

a)

arteries

b)

capillaries

c)

blood

d)

veins

e)

neuron

44.
The nerve cells in your body
a)
arteries
b)
capillaries
c)
blood
d)
veins
e)
neuron
45.

The tubes that carry blood away from your heart

a)

arteries

b)

capillaries

c)

blood

d)

veins

e)

neuron

46.

The smallest structural unit, enclosed by a membrane, that makes up all living organisms

a)

cell

b)

fat

c)

protein

d)

organ

e)

system

47.
A group of organs that work together to perform a specific function
a)
cell
b)
fat
c)
protein
d)
organ
e)
system
48.

A collection of tissue that performs a particular function

a)

cell

b)

fat

c)

protein

d)

organ

e)

system

49.

One of the three macronutrients in food that provide energy, used primarily for building tissues like muscle and bone.

a)

cell

b)

fat

c)

protein

d)

organ

e)

system

50.
Large molecules in food made of chains of fatty acids. Serve as a source of energy for the body.
a)
cell
b)
fat
c)
protein
d)
organ
e)
system

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