Respiratory System
Cardiovascular System
Muscular System
Skeletal System
Bonus Questions
100


This organ is known as the throat and splits the esophagus and trachea—what is it?

What is the pharynx?

100


What role do capillaries play in the cardiovascular system?

What are tiny blood vessels that connect arteries and veins at body cells?

100


What percentage of the human body's mass is made up of muscle tissue?

What is 40–50%?

100


Name the three structures that make up the thoracic cage.

What are thoracic vertebrae, sternum, and ribs?

100


What percentage of blood composition is plasma?

What is 55%?

200

Which structure is known as the voice box and holds the vocal cords?

What is the larynx?

200

Thrombocytes are also known as what?

What are platelets?

200

Name the two proteins vital to muscle contraction.

What are myosin and actin?

200

List all the bones considered part of the upper limb

What are humerus, radius, ulna, carpals, metacarpals, and phalanges?

200

Leukocytes are also known as what?

What are white blood cells?

300

What gases are exchanged throughout the respiratory system?

What are oxygen and carbon dioxide?

300

What is the main function of thrombocytes?

What is helping to clot damaged blood vessels?

300


Which statement best describes voluntary muscle responses?

What are muscle movements under our conscious control, like moving arms and legs?

300

All ribs attach to which portion of the vertebral column?

What are the thoracic vertebrae?

300

What is the main function of leukocytes?

What is defense against disease?

400

Tiny sacs in lungs covered in capillaries where external respiration occurs are called what?

What are alveoli?

400

What antigens does someone with Type O+ blood have?

What are no A or B antigens (only Rh antigens)?

400

Which statement best describes involuntary muscle responses?

What are muscles not under our conscious control, like digesting food?

400

Which bones are classified as short bones?

What are tarsals and carpals?

400


What role do pulmonary veins play in circulation?

What is carrying blood from the lungs back to the heart into the left atrium?

500


Which organ controls the rate of breathing?

What is the brain?

500

What antigens are on erythrocytes of someone with Type AB+ blood?

What are A, B, and Rh antigens?

500


Which is the only type of muscle tissue that is voluntary?

What is skeletal muscle?

500

The femur is described as what?


What is the longest and strongest bone of the human skeleton?

500


How many possible blood types exist in the human body?

What is 4 blood types?

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