WorksheetsHuman Body Systems
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
What's the biggest organ in the body?
a)
Kidney
b)
Brain
c)
Stomach
d)
Skin
2.
What is the basic unit of life?
a)
Organ
b)
Tissue
c)
Cell
d)
Organ System
3.
What structure in skin helps maintain homeostasis?
a)
Oil gland
b)
Sweat gland
c)
Epidermis
d)
Hair follicle
4.
Which is NOT a function of integumentary system?
a)
Movement
b)
Protection
c)
Homeostasis
d)
Waste removal
5.
Structures of the nervous system include...?
a)
glands and hormones
b)
brain, spinal cord, neurons
c)
brain and glands
d)
nerves and muscles
6.
Which body system communicates slowly using hormones?
a)
Nervous
b)
Endocrine
c)
Immune
d)
Integumentary
7.
How do the nervous and endocrine systems work together?
a)
Hormones control the brain
b)
Glands tell the entire body what to do.
c)
Brain signals the glands to release hormones when needed.
d)
Glands send message to the brain.
8.
How does sleep affect your reaction time?
a)
A lot of sleep will lower reaction time
b)
Little to no sleep will lower reaction time
c)
Little to no sleep will improve your reaction time
d)
Sleep does not affect reaction time
9.
What makes up the skeletal system?
a)
Muscles
b)
Stomach and intestines
c)
Skin
d)
Bones
10.
Which option places the bone layers in order from outermost to innermost?
a)
Periosteum -> Compact -> Spongy
b)
Spongy -> Compact -> Periosteum
c)
Periosteum -> Spongy -> Compact
d)
Compact -> Periosteum -> Spongy
11.
Which of the following is NOT a function of the skeletal system?
a)
Protection
b)
Makes blood cells
c)
Communication
d)
Stores calcium
12.
Why are bones hollow?
a)
Made of all spongy bone
b)
Compact bone is the lightest
c)
Makes us heavy to support body
d)
Makes us light enough to move around
13.
Which of the following is NOT a type of muscle?
a)
Digestive
b)
Cardiac
c)
Skeletal
d)
Smooth
14.
Which of the following is an example of a VOLUNTARY muscle?
a)
Heart
b)
Muscles that line your intestines
c)
Muscles that you chew with
d)
Muscles that churn food in stomach
15.
Structures of the circulatory system?
a)
Blood and nerves
b)
Heart, blood, blood vessels
c)
Arteries and veins
d)
Lungs, heart, capillaries
16.
What is the main function of the circulatory system?
a)
Exchange oxygen for carbon dioxide
b)
Stores vitamins and minerals
c)
Delivers oxygen and nutrients to tissues
d)
Filter blood of all toxins
17.
Arteries carry blood ______ the heart?
a)
to the
b)
away from
c)
around
d)
back and forth to
18.
Veins carry blood ______ the heart.
a)
to the
b)
away from
c)
around
d)
back and forth to
19.
FREQUENCY of heart contraction =
a)
Cholesterol
b)
Blood pressure
c)
Heart rate / pulse
d)
Diabetes
20.
Which body system releases carbon dioxide from your body?
a)
Respiratory
b)
Integumentary
c)
Cardiovascular
d)
Nervous
21.
Which body system contains hair, skin, and nails?
a)
Endocrine
b)
Excretory
c)
Immune
d)
Integumentary
22.
Which body system contains trachea, alveoli, and diaphragm?
a)
Circulatory
b)
Respiratory
c)
Digestive
d)
Immune
23.
Where will you find cardiac muscle?
a)
Stomach
b)
Heart
c)
Lungs
d)
Bones
24.
What is homeostasis?
a)
responding to environment
b)
allowing body to warm up
c)
maintaining internal balance
d)
communicating with brain
25.
Where does nutrient absorption happen in the digestive system?
a)
esophagus
b)
stomach
c)
small intestine
d)
large intestine
26.
Which of the following is an example of physical change?
a)
enzymes in saliva breaking down starches
b)
chewing slice of apple into smaller pieces
c)
HCl (acid) in the stomach helping to further break down food
d)
pancreas releasing enzymes into small intestine
27.
The involuntary muscle movement that moves food through digestive tract is called ________.
a)
contraction
b)
relaxation
c)
esophagitis
d)
peristalsis
28.
Which of the following is NOT an adaptation of the stomach?
a)
Multiple muscle layers
b)
Contains villi
c)
Covered in mucus
d)
Produces HCl (acid)
29.
Where would you find villi?
a)
stomach
b)
small intestine
c)
colon
d)
liver
30.
How does the circulatory system connect with the digestive system?
a)
Small intestine absorbs nutrients and releases into the blood stream
b)
The blood delivers oxygen and nutrients to the digestive organs
c)
The liver is necessary to filter out toxins in the blood
d)
All are ways the systems are connected
31.
What is the main function of the excretory system?
a)
regulate body temperature
b)
circulate blood and nutrients
c)
get rid of waste in the body
d)
control body systems
32.
Which of the following are ways the excretory system removes waste?
a)
sweat gets rid of toxins in the skin
b)
lungs get rid of carbon dioxide
c)
large intestine gets ride of solid waste
d)
All of the above
33.
What does the urinary system do?
a)
helps you sweat
b)
filters blood and gets rid of liquid waste
c)
absorbs nutrients from food
d)
creates energy for the body
34.
What cell organelle would be present in HIGH quantities in the liver and kidneys?
a)
Mitochondria
b)
Golgi body
c)
Lysosomes
d)
Vacuoles
35.
Which level of organization is the most complex/biggest?
a)
cell
b)
tissue
c)
organ
d)
organ system
36.
Cells > Tissues > ______ > Organ System
a)
molecules
b)
organs
c)
tissue network
d)
nanobots
100 %
