What substances are needed to produce red blood cells?
A. Folic acid
B. Iron
C. Vitamin B12
D. All of the choices are correct.
Answer: D
You might also like to view...
There are about 10 times as many species of anurans as there are species of salamanders. Can you think of a reason why anurans might be a more successful form of amphibian than salamanders are?
What will be an ideal response?
The abdominal aorta divides at L5 to form the two ________ arteries.
A. superior mesenteric B. inferior mesenteric C. common iliac D. femoral E. renal
List and briefly discuss advantages or enhancements to metabolism brought about through aerobic exercise.
What will be an ideal response?
The epiphyseal plate of a growing bone is actually a temporary joint called a ________.
A. syndesmosis B. suture C. synostosis D. synchondrosis E. symphysis