The majority of the whole blood is_______________.

  Using the figure above, identify each part and choose the correct term. A. The calcium ions are released from the structure A [sarcoplasmic] reticulum. B. The muscle contraction is carried by the structure B [sarcomere]. C. These ions [calcium] are critical to cause muscle contraction. D. The thick myofilaments, aka [myosin] form cross bridges with the thin filaments.  

Using the letter choices in the figure above, match each labeled organ of the urinary system with its description.  1. Location of nephrons, which filter blood to remove wastes and retain essential solutes. [A] 2. Muscular tube that passes urine out of the body. [D] 3. Stores urine until it is excreted out of the body. [C] 4. Delivers urine to the bladder. [B]

Using the picture, select and write the number where the amount of water is precisely regulated by ADH to produce urine.

Which of the following receives a physical or chemical stimulus and ultimately causes nerve impulses to be generated in sensory neurons?  

A little girl was playing in the snow one day and found that she waswiping her nose quite often. The “runny nose” that she was experiencingdue to the cold temperatures most likely resultedfrom_______________.Hint: What does the image represent?

Which receptors will likely demonstrate the quickest receptor adaptation if the stimuli are no longer dangerous?

In our ear, we can find the following structures.  Which one is NOT true about ear anatomy and physiology?

Platelets function to engulf foreign cells by phagocytosis.

Writing a work procedure is an example of _______________.