WorksheetsScience is awesome
Total questions: 104
Worksheet time: 9hrs 40mins
In order to use chemicals to regulate body systems this system is necessary.
circulatory
digestive
endocrine
muscular
These 2 systems work together to make the body move
skeletal and muscular
digestive and excretory
nervous and endocrine
circulatory and respiratory
this is the main organ of the nervous system
brain
heart
lungs
intestines
this system helps the body get rid of carbon dioxide and brings in oxygen.
circulatory
endocrine
respiratory
skeletal
this system stores minerals, makes blood cells, and supports the body.
skeletal
digestive
excretory
circulatory
the part of the plant cell that makes it's own food
cell membrane
nucleus
mitochondria
chloroplast
this part of the plant and animal cell turns food into energy
cytoplasm
nucleus
mitochondria
cell membrane
this part of the excretory system filters waste from the blood
kidneys
bladder
lungs
heart
This part of the cell keeps all the organelles inside the cell and allows things into and out of the cell.
cytoplasm
liver
cell membrane
nucleus
These are the structures of the circulatory system that bring blood to and from the heart.
arteries, capillaries and veins
capillaries, liver and stomach
veins, capillaries and kidneys
pancreas, arteries and lungs
What is the main function of the excretory system?
digest food that the cells can use
bring nutrients to the cells
remove waste from the body
bring impulses to the brain.
This brings impulses from the nerves to the brain.
from the gall bladder to the brain
from the cns to the pns
from the veins to the arteries
peripheral nervous system to the central nervous system
The food that is digested goes from the mouth to the stomach. What happens after that?
It goes to the liver, kidneys then the cells.
It goes from the stomach to the small intestines.
It goes from the stomach to the large intestines.
It goes to the cells.
What does the large intestines do?
It brings in bile to digest fat from the food.
It mechanically digests food.
It absorbs food for the cells.
Absorbs the water then makes the waste from the remaining food.
What is the correct order from smallest in hierarchy of living things?
cells-tissues-organs-organ systems-organisms
tissues-organs-cells-organisms-organ systems
cells-organs-tissues-organ systems-organisms
organs-organ systems-organisms-tissues-cells
this part of the cell regulates the activities of the cell's organelles.
cell membrane
cell wall
nucleus
mitochondria
this part of the digestive system absorbs food for the cells to use.
small intestines
mouth
large intestines
stomach
These are the smallest non-living things, they make up everything.
cell
atom
molecule
tissue
This is the largest organ in the human body.
heart
large intestines
skin
liver
These are part of the nervous system
heart, brain, skin
brain, spinal cord, nerves
nerves, liver and stomach
brain, stomach and nerves
The digestive and respiratory systems pair together to ...
bring carbon dioxide and wastes to cells for diffusion.
bring oxygen and wastes to cells for diffusion.
bring oxygen and nutrients to cells for cellular respiration.
bring carbon dioxide and nutrients to cells for cellular respiration.
The digestive and respiratory rely on the ___ systems to transport needed materials to the cells.
circlatory and excretory
circulatory and muscular
nervous and digestive
nervous and skeletal
The immune system fights diseases. The circulatory system pairs with the immune system because ___.
blood is made in the bones.
plasma carries nutrients.
red blood cells carry oxygen.
white blood cells fight infection.
Why are the lungs, the major organ of the respiratory system, also considered an excretory organ?
They get rid of carbon dioxide, a cellular waste
They get rid of oxygen, a cellular waste
They get rid of urea, a cellular waste
They get rid of salt, a cellular waste
What is the role of the muscular system?
Support the body
Digest food and absorb nutrients
Movement
Transport oxygen
Which of these organs is NOT directly involved with the digestive system?
Lungs
Liver
Stomach
Small intestine
The excretory system is for removing solid waste and liquids?
True
False
What is the main function of the circulatory system?
Movement
to remove waste
action and senses
Transport blood around your body
You see a ball coming at you and you jump out of the way. This is an example of you sensing something and then acting on it. What system is responsible?
Skeletal
Muscular
Nervous
Respiratory
The __________ system is responsible for all these jobs:
Making blood cells, supporting your body, allowing movement, storing minerals, and protecting your organs
Muscular
Skeletal
Circulatory
Excretory
Which is in the respiratory system?
liver
kidney
cardiac tissue
bronchiole
What is the basic structural and functional unit of living organisms?
cells
atoms
molecules
organelles
What does "function" mean?
How fast something moves
What something does
A measurement
Are you an organism?
Yes
No
What is the 1st level of organization in a body system?
Tissue
Organism
Organ System
Cell
Organ
What is the 2nd level of organization in a body system?
cell
organ
organ system
tissue
organism
What is the 3rd level of organization in a body system?
organism
organ system
organ
tissue
cell
What is the 4th level of organization in a body system?
cell
tissue
organ
organism
organ system
What is the 5th level of organization in a body system?
Cell
Tissue
Organ
Organ System
Organism
The nervous system is divided into 2 groups.
neurons
cerebellum, cerebrum
the spinal cord
central nervous system and peripheral nervous system
The 3 organs that make up the nervous system.
lungs, brain, skin
brain, spinal cord, nerves
medulla, dendrites, axons
cell body, axon endings, nucleus
The brain is made up of about _________ water.
75%
There isn't water in the brain.
25%
50%
What are the 3 parts of the brain?
dendrites, axons, axon endings
spinal cord, medulla, neurons
cerebrum, cerebellum, brain stem
central, peripheral, axons
What protects the brain?
skull
spinal cord
dendrites
cerebellum
Which part of the brain is responsible for balance?
axons
brain stem
cerebrum
cerebellum
Which part of the brain is connected to the spinal cord?
cerebellum
cerebrum
brain stem
neurons
The cerebrum is responsible for …….
smell, speech, touch, movement, sight, etc.
balance and coordination
frontal lobe
temporal lobe
There are billions of __________ in the brain.
neurons
brain stems
spinal cords
nervous systems
It is good for your brain to smoke.
True
False
The brain uses __________ of the body's oxygen.
50%
80%
20%
10%
The brain stem controls breathing and digestion.
True
False
What happens during a chemical reaction?
The state of matter of a substance changes
Bonds are broken and new bonds form
The chemical structure of a substance stays the same
Temperature remains the same
Which of the statements is not true about compounds?
They are substances made of 2 or more elements
They can be made by binding elements together in 2 different ways
Sodium bicarbonate is an example of a compound
They are the basic units that make up chemicals
How does water help the body obtain ionic substances?
It is able to keep the ionic substance together and prevent a chemical reaction from occurring so that your body can get nutrients.
It is able to absorb the ionic substance in a way that allows the positive ions to bond with the hydrogen and the negative ions to bond with the oxygen.
It is able to easily dissolve them because the positive ions are attracted to the oxygen and the negative ions are attracted to the hydrogen.
It is able to change the temperature of the ionic substance in a way that allows your body to take it in.
In science, what does it mean for a compound to be organic?
It contains carbon and other elements
It was grown without chemicals
It is free-range
It is natural
What are macromolecules?
Substances that form from joining many small molecules together.
Inorganic, non-soluble substances made of ionic bonds.
Substances that are found only in your body's skeletal system.
Substances that come together to form different kinds of rocks.
Which of the following is not true about carbohydrates?
Carbohydrates are formed when simple sugars, called monosaccharides, are joined together.
Sugars, starches, and cellulose are carbohydrates.
Carbohydrates are the body's main source of energy.
Carbohydrates give cells structure and help them communicate.
What do lipids do for your body?
They are macromolecules that store information used by the body to perform different functions.
They help insulate the body and are a major part of cell membranes.
They are the body's major source of energy.
They give cells structure, help cells communicate, and some are enzymes.
What are the building blocks of proteins?
Nucleotides
Monosaccharides
Amino acids
Ionic bonds
Which macromolecule is made of nucleotide polymers?
Carbohydrates
Lipids
Nucleic acid
Proteins
Where in the cell is DNA stored?
Nucleus
Mitochondria
Cytoplasm
Chloroplast
What are tissues made of?
Red blood cells
Cholesterol and other types of lipids.
Amino acids and nulceotides.
Groups of cells that work together and perform a function.
Which of the following is not an organ?
Muscle
Lungs
Spleen
Liver
What is the human body?
It is a structure made up of unique cells that work together to accomplish a specific task
It is a structure made up of one cell that work to accomplish a specific task
It is a structure made up of billions of cells that may sometimes work together or sometimes not
Which of the following is NOT part of the respiratory system?
Esophagus
Diaphragm
Alveoli
Bronchi
What waste product is being released through breathing out?
(a)
These are tiny sacs that allow for the exchange of oxygen and carbon dioxide in the lungs.
Bronchioles
Alveoli
Capillary
Trachea
What do you call the long, flat muscle beneath the lungs?
(a)
What is a movable body tissue that carries gases and other materials, clotting, and protecting the body from disease?
(a)
What does the Arteries do?
Carry blood away from the heart
Carry blood towards the heart
What connects arteries and veins?
(a)
The heart is not a muscle in the body.
True
False
Shelly listened and remembered the instructions given by the teacher.
What organ system is working for her to listen and remember?
Circulatory system
Respiratory system
Digestive system
Nervous system
What makes up the central nervous system?
Brain
Nerves
Spinal cord
Peripheral
Shelly saw a frog for the first time.
What nerves send messages to the brain?
Motor nerves
Sensory nerves
Which part of the brain is responsible for thoughts, feelings, memories, and conscious motion of body parts?
Cerebrum
Cerebellum
Brain stem
What part of the brain keeps the body in balance?
Cerebrum
Cerebellum
Brain stem
Shelly took her hand out of the door as soon as she felt pain.
What nerves let her take her hand out as a reaction?
Motor nerve
Sensory nerve
What do you call the cells in the nervous system?
(a)
What makes the bone move?
Muscles
Skin
Brain
Nerves
What connects two bones together?
(a)
What are the layers of the bones? Check all that apply.
Compact bone
Femur bone
Spongy bone
Bone marrow
Epiphyseal bone
What are tough, cordlike tissues that attaches the bone to muscles?
Ligament
Joint
Tendon
Cartilage
What type of muscles move when our stomach digests food?
Smooth
Cardiac
Skeletal
Is the cardiac muscle involuntarily controlled?
Yes
No
What is considered as the largest organ in the body?
(a)
This layer of the skin provides a barrier to infection from environmental pathogens and regulates the amount of water released from the body.
Dermis
Epidermis
Hypodermis
What way of digestion takes place when food is torn or ground up using the teeth?
Mechanical digestion
Chemical digestion
