This organ is known as the throat and splits the esophagus and trachea—what is it?
What is the pharynx?
What role do capillaries play in the cardiovascular system?
What are tiny blood vessels that connect arteries and veins at body cells?
What percentage of the human body's mass is made up of muscle tissue?
What is 40–50%?
Name the three structures that make up the thoracic cage.
What are thoracic vertebrae, sternum, and ribs?
What percentage of blood composition is plasma?
What is 55%?
Which structure is known as the voice box and holds the vocal cords?
What is the larynx?
Thrombocytes are also known as what?
What are platelets?
Name the two proteins vital to muscle contraction.
What are myosin and actin?
List all the bones considered part of the upper limb
What are humerus, radius, ulna, carpals, metacarpals, and phalanges?
Leukocytes are also known as what?
What are white blood cells?
What gases are exchanged throughout the respiratory system?
What are oxygen and carbon dioxide?
What is the main function of thrombocytes?
What is helping to clot damaged blood vessels?
Which statement best describes voluntary muscle responses?
What are muscle movements under our conscious control, like moving arms and legs?
All ribs attach to which portion of the vertebral column?
What are the thoracic vertebrae?
What is the main function of leukocytes?
What is defense against disease?
Tiny sacs in lungs covered in capillaries where external respiration occurs are called what?
What are alveoli?
What antigens does someone with Type O+ blood have?
What are no A or B antigens (only Rh antigens)?
Which statement best describes involuntary muscle responses?
What are muscles not under our conscious control, like digesting food?
Which bones are classified as short bones?
What are tarsals and carpals?
What role do pulmonary veins play in circulation?
What is carrying blood from the lungs back to the heart into the left atrium?
Which organ controls the rate of breathing?
What is the brain?
What antigens are on erythrocytes of someone with Type AB+ blood?
What are A, B, and Rh antigens?
Which is the only type of muscle tissue that is voluntary?
What is skeletal muscle?
The femur is described as what?
What is the longest and strongest bone of the human skeleton?
How many possible blood types exist in the human body?
What is 4 blood types?