All respiratory airways are held open by cartilaginous rings
Indicate whether the statement is true or false
F
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Fetal hemoglobin becomes largely replaced with adult hemoglobin
A. at birth. B. after the first trimester. C. when a child starts school. D. from 4 months after birth.
Which is not a characteristic of the hormone oxytocin?
a. it stimulate uterine contractions. b. it promotes milk ejection from mammary gland ducts. c. it influences bonding behavior between mother and baby. d. it is a tropic hormone. e. none of these answers.
This figure shows a frontal view of a human. What does number 5 indicate?
A. Pelvic cavity B. Abdominal cavity C. Mediastinum D. Pleural cavity E. Pericardial cavity
Which condition is a degenerative disorder of the brain characterized by tremors and slow, uncoordinated movements?
A. Alzheimer's disease B. Cerebrovascular accident C. Huntington's disease D. Parkinson's disease