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Body Organization Bones/Muscles Dig Sys Resp Sys Circ Sys
What is a group of cells doing a similar
job called?
A tissue.
What is an organ?
A group of tissues working together.
List the body organization from simplest to most
complex.
Cell - Tissue - Organ - Organ System - Organism
Name four organ systems.
Name four body systems…
What is homeostasis?
The body’s tendency to keep an internal balance.
Name three bones by their scientific names?
Name them bones!
Name three things that the skeletal system does
for us?
ProtectionSupport
MovementBlood cell production
Stores minerals
What is the difference in appearance between skeletal and smooth muscle tissue?
Skeletal is striated (striped) smooth isn’t.
What is the difference between ligaments and tendons?
Ligaments connect bone to bone.Tendons connect muscle to bone.
What two body systems compbine to help you move your
arms and legs?
Skeletal and Muscular(review joints)
What organs (in order) are part of the digestive
system?
Mouth - Esophagus - Stomach - Small Intestine - Large Intestine
What is the job of the digestive system?
To break down food so it can be ansorbed by the body.
Where does most absorption occur in the digestive system?
The villi of the small intestine
What is an enzyme? What does it do?
It is a chemical that helps to break nutrients down.
What is peristalsis?
Wave like contractions created by smooth muscle which helps to
move food through the alimentary canal.
Name four parts of the respiratory system?
Nose- Trachea- Bronchus- Bronchial Tube- Alveoli
What is the epiglottis?
A flap that covers the traches during swallowing
C6H12O6 + O2 --> Energy + CO2 + H2O
What is this and where does it occur?
Respiration and it occurs in the mitochondria of our cells.
Describe what happens in the alveoli.
These are the tiny air sacs where blood drops off CO2 and
picks up O2. (Respiratory/Circulatory)
Describe the parts of a well run experiment on breathing.
Problem - Hypothesis - Variables (depen/indepen) - Data Table -
Graph
What is the difference between an artery and a vein?
A - Away!
What is a capillary and why are they so important?
Tiny blood vessels that allow gases like O2 and CO2 to exchange.
Describe how digestion gets food into the blood?
From mouth to villi please.
What two body systems come together at the alveoli?
Circulatory and Respiratory
What is the flow of blood through the
heart?
Rt artrium - Rt ventricle - out to lungs - Lt atrium - Lt Ventricle - out to body (through the Aorta)
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