The ductus arteriosus allows fetal blood to move from the
A. right atrium into the left atrium.
B. aorta into the pulmonary trunk.
C. left atrium into the right atrium.
D. pulmonary trunk into the aorta.
Answer: D
You might also like to view...
Which of the following structures is used to reduce friction in joints?
1. Bursae 2. Synovial fluid 3. Accessory ligaments 4. Elastic fibers a) 1 only b) 2 only c) 3 only d) 4 only e) 1 and 2
The number of obese adults in the United States is 75% higher now than it was 15 years ago
Indicate whether the statement is true or false
The auditory ossicles are part of the
A. axial skeleton. B. appendicular skeleton.
When norepinephrine binds to adrenergic receptors,
A. adrenaline is released. B. Na+ channels are closed. C. Na+ channels open. D. Ca2+ channels open. E. G proteins mediate the cell's response.