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Biology - Body System Test
Body Systems
70
Biology
9th Grade
03/15/2016

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Term
What system transports essential substances throughout the body?
Definition
circulatory
Term
What system is made up of bones, joints, cartilage, ligaments and tendons?
Definition
Skeletal
Term
What system is make up of skin, hair, nails, and the glands of the skin? Also forms a waterproof barrier between a body and its environment?
Definition
Integumentary
Term
What system is responsible for detecting changes in the environment and signals a response?
Definition
Nervous
Term
What is the system responsible for taking in oxygen from the air and releasing carbon dioxide?
Definition
Respiratory
Term
System that consists of a mouth, esophagus, stomach, intestines, liver, gallbladder and pancreas is called___
Definition
digestive
Term
System responsible for secreting hormones in the body is called _____
Definition
Endocrine
Term
The system responsible for defending the body against infections is called ____
Definition
Immune
Term
The system that returns fluid from spaces between cells to the circulatory system, filters bacteria and particles out of the fluid and consists of a network of vessels and lymph nodes as well as organs such as the spleen, tonsils and appendix
Definition
lymphatic
Term
What are the three types of muscles in the human body?
Definition
skeletal, cardiac, and smooth
Term
What two types of muscles are under involuntary control?
Definition
Cardiac and smooth
Term
What type of muscular tissue makes up your muscles?
Definition
Skeletal
Term
What are the three types of skeletons?
Definition
hydrostatic
exoskeleton
endoskeleton
Term
What type of skeletal system do humans have?
Definition
endoskeleton
Term
What type of skeletal system do crabs and lobsters have?
Definition
Exoskeleton
Term
What type of skeletal system consists of a body compartment filled with fluid under pressure and does not contain any hard structures such as bones?
Definition
hydrostatic
Term
How is the body organized?
Definition
Cells, tissues, organs, systems (ex.  digestive, circulatory)
Term
What makes up the human skeleton?
Definition
bones, joints, connective tissue
Term
How does the number of bones in the bone change as we age?
Definition
Decreases due to cartilage turning to bone
Term
What is the difference between the axial skeleton and the appendicular skeleton?
Definition
Axial - skull, vertebral column and rib cage

appendicular - arm and leg bones with the bones of the pelveis and should areas
Term
Where is calcium stored in bones?
Definition
knobs at the end of long bones
Term
Are bones alive? Explain your answer
Definition
Yes - they are living tissues and cells
Made up of cells and minerals
Term
What makes bones hard?
Definition
Calcium and phosphorus
Term
What is the purpose of the periosteum?
Definition
feeds the bone and takes wastes away
Term
What is spongy bone?
Definition
found at the ends of long bones
filled with red bone marrow - important for producing blood cells
Term
What is marrow?
Definition
A soft tissue that fills some spaces in bone - 2 types red and yellow

Red marrow more important - makes other blood cells
Term
What are the spaces through which nerves and blood vessels pass in the bone?
Definition
Haversian Canals
Term
What part of the bone makes the cells needed for growth and repair?
Definition
osteoblasts
Term
Part of the bone used as a source of energy when going through starvation
Definition
yellow bone marrow
Term
What is the name of the sacs that keep joints lubricated and protected?
Definition
bursa
Term
What are the connective tissues that join bone to bone?
Definition
ligaments
Term
What are the connective tissues called that connect muscles to bone?
Definition
tendons
Term
How can you get strong bones?
Definition
eat foods high in calcium, vitamin D
do exercises to strengthen bones
Term
What is the purpose of the skeletal system?
Definition
support and shape
Term
What are joints?
Definition
Place where bones meet in the body
Term
What keeps bones from rubbing against each other?
Definition
cartilage
provides cushion - reduces friction
Term
Where does nutrient absorption occur in the digestion system?
Definition
small intestine
Term
Where does water absorption occur in the body?
Definition
large intestine
Term
Where does digestion begin?
Definition
mouth - mechanical and chemical
Term
What is the difference between the uvula and the epiglottis?
Definition
Uvula prevents things going into the nasal cavity
Epiglottis closes off the trachea to protect the respiratory system
Term
What moves food through your digestive tract?
Definition
peristalsis
Term
What enzyme breaks down protein?
Definition
Pepsin
Term
What is the size difference between the small and large intestines?
Definition
small intestine - smaller diameter, but longer
Large intestine - larger diameter, but shorter
Term
What is the purpose of villi?
Definition
To increase the surface area for absorption in the small intestine
Term
Why is your liver important?
Definition
breaks down alcohol
storage of glycogen (glucose-sugar)
storage of vitamins and iron
processes fats, proteins and carbohydrates
Term
What is the purpose of bile?
Definition
breaks down fats
Term
What is the purpose of the pancreas?
Definition
releases insulin that helps control blood sugar in the body
Term
What do scientists think is the purpose of your appendix?
Definition
help immune system fight diseases
Term
What is another name for your pharynx?
Definition
Throat
Term
What can you do to take care of your excretory system?
Definition
Drink lots of water
Term
What is homeostasis?
Definition
balance in the body
Term
What is the primary way air gets into your body?
Definition
nose
Term
Where does oxygen and carbon dioxide exchange occur in the body?
Definition
alveoli
Term
What kind of muscle is the diaphragm?
Definition
skeletal - works as an involuntary muscle
Term
How does gas exchange occur in the body?
Definition
diffusion
Term
What is the purpose of respiration?
Definition
needs oxygen to breakdown carbohydrates in body to produce carbon dioxide, energy and water
Term
What happens when you inhale and exhale?
Definition
inhale - take in oxygen
exhale - release carbon dioxide
Term
T or F Breathing is the mechanical part of respiration.
Definition
true
Term
Why is cilia and the mucus in your respiratory system important?
Definition
Cilia and mucus move up the dust and bacteria to back of throat so they can be swallowed and go into your digestive system, not into your lungs!
Term
Of the blood vessels, which one is more elastic than the others?
Definition
arteries
Term
Of the blood vessels, which one has valves?
Definition
veins
Term
Of the blood vessels, which one is more numerous in your body?
Definition
capillaries
Term
Arteries usually carry ____ blood.
Definition
oxygenated
Term
Veins usually carry ___ blood.
Definition
deoxygenated
Term
What is the purpose of the inferior vena cava?
Definition
bring back blood to the heart from the lower part of body
Term
What is the purpose of the superior vena cava?
Definition
Bring blood back to the heart from the upper part of the body
Term
What is the purpose of the pulmonary circuit in the body?
Definition
takes blood to lungs to get oxygenated
Term
What is the purpose of the systemic circuit in the body?
Definition
to take oxygenated blood to body
Term
What is another name for the sinoatrial (SA) node in your body?
Definition
pacemaker
Term
What does this mean? 124/84
Definition
systole/diastole
ventricles contracting
ventricles relaxing
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