Unit 10 - Test Flashcards
How many major organ systems are in the human body?
11
Fill in the blanks:
In the skeletal system, we have an ______________ made of _____ living bones.
endoskeleton, 206
An endoskeleton just means that our bones are inside of our body (internal).
Why do our bones have many different shapes and sizes?
Because bones have so many different jobs
What are the five main functions of bones?
- Structure and support
- Protection
- Movement (working with muscles)
- Make blood
- Stores minerals (calcium + vitamin D) / stores fat (adult - yellow marrow)
What is the hard, yellowish part of the bone that reduces friction?
Cartilage
True or false? If false, correct the statement:
The periosteum is a very thin membrane that covers/protects the bone.
True
The _________ area of the bone is very rigid and dense. It is where the two types of bone ________ are found.
compact, marrow
What are the two types of bone marrow?
- Red marrow - blood
- Yellow marrow - fat
Why is the spongy area of the bone important?
It gives the bone extra strength by providing it with a bit of flexibility
What type of tissue is bone marrow?
soft
After being provided the definition, name the term:
A joint where one bone rotates in the cup of another.
(Ex. Shoulder & hip)
Ball and socket joint
After being provided the definition, name the term:
A joint that moves back and forth like a door.
(Ex. Knee & Elbow)
Hinge joint
After being provided the definition, name the term:
These joints move over one another.
(Ex. Ankle & Wrist & Vertebrae)
Gliding joint
After being provided the definition, name the term:
This joint rolls and rotates.
(Ex. Neck)
Pivot joint
After being provided the definition, name the term:
This joint does not move.
Ex.) Cranium or Skull
Fixed joint
Answer the question with the best available option:
What blood vessels connect arteries and veins (one cell-layer thick)?
A. Arteries
B. Veins
C. Plasma
D. Capillaries
D. Capillaries
Fill in the blanks:
__________ carry blood rich in ________ away from the heart (except for the pulmonary ________)
arteries, oxygen, artery
Provide the definition of the term:
Veins
Veins carry blood rich in carbon dioxide to the heart (except for the pulmonary vein which has oxygen)
After being provided the definition, name the term:
The constant flow of blood through the body.
Circulation
True or false? If false, correct the statement:
The heart is part of the respiratory system.
False. The heart is part of the circulatory system, a.k.a. the cardiovascular system
What type of muscle is the heart made out of?
cardiac
Possibility of being a bonus:
_______________________ refers to when your heart works with your lungs. On the contrary, when your heart works with the entire body, it is known as _____________________.
Pulmonary circulation, systemic circulation
Answer the statement with the best available option:
The two atria and two ventricles make up the heart’s…
A. aorta
B. septum
C. chambers
D. vena cava
C. chambers
What do veins contain to prevent backflow?
one-way valves
True or false? If false, correct the statement:
Arteries have thick, muscular walls.
True
Capillaries allow gas __________ and the exchange of nutrients between _______ and ________.
exchange, blood, tissue
Where do our bones meet at?
joints
Answer the statement with the best available option:
Bones are held together by tough connective tissues called…
A. cartilage
B. marrow
C. periosteums
D. ligaments
D. ligaments
Provide the definition of the term:
tendon
strong, flexible tissue that connects your muscles to your bones
What are the four main things that blood carries?
- Carries oxygen
- Carries nutrients
- Carries wastes
- Carries infection fighters
All of the following are part of which organ?
- Plasma
- Red blood cells (RBCs)
- White blood cells (WBCs)
- Platelets
blood
Provide the definition of the term:
plasma
The fluid part of your blood that makes up 50% of it