Circulatory System
This vessel is responsible for exchanging the O2 and CO2 in and out of the blood
Capillaries
Carbon dioxide rich blood is transported by what vessel?
Veins
How many bones are in the human body?
206
What are the three types of muscle tissue?
Smooth, skeletal, cardiac
The role of the respiratory system is what?
Bring in O2 and release CO2
The circulatory system is responsible for moving blood, nutrients, and _____.
Waste
Red blood cells are responsible for transporting what?
Oxygen
Give one example of a bone and what it protects
rib- heart and lungs
skull- brain
vertebrae- spinal cord
This type of muscle you can not control.
Smooth or cardiac
What is the first respiratory structure that enters the lungs?
Bronchi
Veins, arteries, capillaries
White blood cells are responsible for doing what?
Fighting infection
What is the rubbery like tissue that protects and cushions bones?
Cartilage
Other than movement, what is one other role the muscular system plays a role in?
Preventing injury, help other organs do their jobs
What is the only lower respiratory structure that is not in the lungs?
Trachea
Arteries carry _____ rich blood
oxygen
Blood can transport other substances other than oxygen and carbon dioxide such as:
waste, drugs, medicine, hormones, alcohol
The three main functions of the skeletal system are protection, _____, and shape.
structure or movement
Muscle is attached to bone by what?
Tendons
The role of the alveoli is what?
gas exchange
What is the largest artery in the body?
Aorta
Platelets are responsible for what?
Clotting
Bones are flexible because they contain what?
Collegen
When muscles tighten and get shorter they are doing what?
Contracting
This organ helps with breathing by allowing the lungs to expand and relax, causing inhaling and exhailing.
Diaphragm