The three biological stages of development during pregnancy are preembryonic, ________, and fetal.
Fill in the blank(s) with the appropriate word(s).
embryonic
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Which of the following is a function of the pigmented layer of the retina?
A) provide eye color B) house the photoreceptors C) secrete vitreous humor D) absorb light passing through the neural layer E) refract light onto the photoreceptors
These two muscles are known as the triceps surae and together are the most powerful plantar flexors of all of the leg muscles
A. Tibialis posterior and popliteus B. Gastrocnemius and soleus C. Flexor digitorum longus and flexor hallucis longus D. Tibialis anterior and extensor digitorum longus E. Extensor hallucis longus and fibularis longus
Making up 2 to 4 percent of the leukocytes, the ___________ increase in number when they react to or phagocytize antigen-antibody complexes or allergens
Fill in the blank with correct word.
Which of the following sequences correctly lists the levels of structural organization of the human body from simplest to most complex?
What will be an ideal response?