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PBIS Study Guide
Complete this study guide to help prepare for the PBIS Assessment. You will also need to review all labs,
handouts, and notes.
Explain the difference between cells, tissues, organs and organ systems.
Cells are the basic units of life.
Tissues are a group of cells with the same structure and function. Organs are a combination of different types of
cells that work together to perform a common function. Organ systems include multiple organs with related
functions that work together.
Use this word bank to label each organ system diagrams below. Write the function for each part below the label.
Word Bank:
Heart
Trachea
Artery
Bronchioles
Circulatory
system
Lung
Vein
Nose
Diaphragm
Respiratory
system
Respiratory System
Nose
Trachea
Lung
Bronchioles
Diaphragm
How do diseases get into your respiratory system?
Diseases enter the respiratory system through our nose or mouth.
Circulatory System
Heart
Veins
Artery
How do diseases get into your circulatory system?
Diseases can enter the circulatory system through a cut. Infections that begin in other systems can travel
through the blood throughout the body.
Use this word bank to label each organ system diagrams below. Write the function for each part below the label.
Word Bank:
Mouth
Stomach
Esophagus
Small intestine
Immune system
Digestive System
Lymph Nodes
Large intestine
Lymph vessels
Digestive system
Mouth
Eosphagus
Stomach
Large Intestine
Small Intestine
How do diseases get into your digestive system?
Diseases can enter the digestive system through the mouth or nose due to something we’ve touched or eaten.
Immune System
Lymph Vessels
Lymph Nodes
Where are white blood cells made?
Most white blood cells are made in the bone marrow, though they can also reproduce in the lymph nodes.
What are three ways that white blood cells help protect your body from disease?
White blood cells can (1) engulf infected cells or microbes, (2) poke holes in cells causing their cytoplasms to
drain out, or (3) create antibodies to indentify or disable invading microbes.
Respiratory System: Its purpose is to take in the required oxygen needed for cellular respiration and to release
the carbon dioxide that is produced as waste.
Organ
Nose
Trachea
Lung
Diaphragm
Function
Warm, filter, and add moisture to air
A passageway between the mouth/nose and the
bronchi/lungs; it also helps filter the air.
Allow oxygen to enter our bloodstream and carbon
dioxide to escape
Contracts to draw air into our lungs by making space
inside the rib cage bigger. This makes us inhale.
When it relaxes the ribcage gets smaller again and we
exhale.
Circulatory System: Its purpose is to deliver oxygen, carbon dioxide, nutrients, and waste around the body in the
blood.
Organ
Heart
Veins
Artery
Function
Pumps blood to the body and lungs.
Carries blood toward the heart
Carries blood away from the heart.
Digestive System: its purpose is to break down food into small enough pieces for it to be absorbed into the body
Organ
Mouth
Esophagus
Stomach
Small intestine
Large intestine
Function
To tear and chew food. Saliva adds enzymes and
moisture.
Pushes food from the mouth to the stomach.
Churns and adds enzymes/acid to food.
Adds more enzymes to food and allows nutrients to
be absorbed.
Absorbs liquids and water from waste food that we
do not absorb.
Immune System: its purpose is to defend the body from disease
Organ
Lymph vessels
Lymph nodes
Function
Pathways that take in fluids from the body and return
them to circulatory system.
Houses many white blood cells and filters bacteria
and viruses out of the lymphatic system.