18 Questions
What is the main function of the atria in a mammal's heart?
Collect blood that enters the heart
Which blood vessels have more elastic walls and thicker walls?
Arteries
In the cardiovascular system, which blood pathway involves the heart and lungs?
Pulmonary circuit
What is the main function of valves in the heart?
Prevent backflow of blood
Which type of muscle tissue makes up the heart?
Cardiac muscle tissue
What is the main characteristic of veins compared to arteries?
They have valves to prevent backflow
Which type of muscle tissue lacks sarcomeres?
Smooth
What function do intercalated discs serve in cardiac muscle tissue?
Cardiac cell-to-cell communication
Which type of blood cells is responsible for transporting oxygen and carbon dioxide?
Erythrocytes
What is the basic contractile unit of a muscle fiber?
Sarcomere
Which component is NOT found in bone tissue?
Hemoglobin
What distinguishes mammalian blood from non-mammalian blood?
An obvious characteristic seen in lab
Where is Simple Squamous epithelium mainly located?
Blood vessels
What is the primary function of Simple Columnar epithelium?
Secretion and absorption
Which connective tissue is mainly responsible for supporting and binding tissues?
Cartilage
How does adipose tissue primarily function?
Storage, insulation, and cushioning
In which location would you find Simple Cuboidal epithelium?
Ovaries
What is the main function of Cartilage in the body?
Reducing friction
Explore the main features and components of closed circulatory systems, including the role of fluid, blood vessels, and the heart in transporting materials throughout the body. Learn about the cardiovascular system and its key components like the heart, arteries, capillaries, and veins.
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