Anatomy & Physiology WS-21

During a biology class, Anika learned that the _______ carries deoxygenated blood from the heart to the lungs.

• Pulmonary artery

• Left ventricle

• Right atrium

• Aorta

Ava is studying the circulatory system in her biology class. She learns that blood can be either oxygenated or deoxygenated. Which type of blood is brighter in color?

• Oxygenated

• Deoxygenated

• Both A and B

• None of the above

Intercalated discs: _______

• are specialized connections between cardiac muscle cells

• are found in skeletal muscle

• are part of the nervous system

• are a type of bone tissue

Nora and Kai are studying anatomy. They learn that the words __________ and inferior when speaking of the body mean “upper” and “lower”, respectively.

• Thicker

• Four

• Muscle

• Inferior

• Superior

Henry is observing the color of blood samples in a lab. He notices that oxygenated blood is a __________ blood and deoxygenated blood is a more purplish-red color.

• Brighter

• Blue

• Purpleish-red

When Maya runs a marathon, __________ blood returns to the right side of her heart and gets pumped to her lungs.

• Deoxygenated

• Superior

• Muscle

• Thicker

Desmosome: _______

• are cell structures specialized for cell-to-cell adhesion - holding muscle fibers together

• are involved in energy production

• are responsible for protein synthesis

• are part of the immune system

In a biology class, Ava and Arjun are learning about how cells communicate with each other. Their teacher explains that gap junctions: _______

• allow direct communication between cells - provide a route for electrical signals

• are impermeable to ions

• are found only in muscle cells

• are a type of tight junction

During a biology class, Mia learned that the _______ is responsible for receiving blood from the upper body.

• A. Inferior vena cavae

• B. Superior vena cavae

• C. Left atrium

• D. Right ventricle

James is studying the human body and wants to know which organ is primarily responsible for pumping blood throughout the body. Can you help him?

• Lungs

• Heart

• Liver

• None of the above