How could this experiment have been improved?
What will be an ideal response?
The Physarum could also have been treated
with heat to determine if the speed of cytoplasmic streaming increased.
8 Observe the electron micrograph below. Identify the labeled structures.
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The thin partition that separates the first and second ventricles is the ___________.
A. falx cerebri. B. septum pellucidum. C. septum insula. D. interventricular foramina. E. cerebral aqueduct.
Which of the following organ systems faces the greatest physiological challenge in the transitional period after birth?
A) Circulatory system B) Nervous system C) Respiratory system D) Muscular system E) Integumentary system
A posterior and anterior root of each spinal segment unite to form a
A) cervical enlargement. B) lumbar enlargement. C) spinal nerve. D) spinal meninx. E) spinal ganglion.
In the figure showing an anterior view of the arteries, which number indicates the internal carotid artery?
A. 1 B. 2 C. 3 D. 4 E. 5