The neurotransmitter called ____________________ stimulates skeletal muscles to contract
Fill in the blank(s) with correct word
ACh
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The presence of which hormone in the urine provides a reliable indicator of pregnancy, as detected by home pregnancy tests?
A) human placental lactogen
B) placental prolactin
C) relaxin
D) LH
E) human chorionic gonadotrophin
Myasthenia gravis is a(n) ____________________ condition in which the body erroneously produces antibodies against its motor end-plate ____________________ receptor-channels
Fill in the blank(s) with correct word
What are the phagocytic specialists called that are within the air sacs (alveoli) of the lungs?
a. alveolar macrophages b. lung neutrophils c. respiratory phagocytes d. pulmonary scavengers e. air sac scavengers
Which of the following forces does not help lymph to flow?
A) Rhythmic contractions of lymphatic vessels B) The thoracic pump C) Arterial pulsations squeezing lymphatic vessels D) The lymphatic node pump E) The skeletal muscle pump