Mechanical digestion ________ the stomach.
|c.||does not involve|
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Cells that present a MHC class II antigen will ________.
|a.||be directly attacked by the immune cell that recognizes the antigen|
|b.||trigger the immune system to mobilize cells against that antigen|
|c.||be ignored by the immune system, since this is the signal for self|
The alimentary canal begins ________.
|a.||at the mouth|
|b.||in the stomach|
|c.||at the small intestine|
Mechanical digestion finishes in the ________.
Blood is transported away from the heart by the ________.
The majority of the enzymes involved in ________ are released by the small intestine.
|a.||both mechanical and chemical digestion|
________ are the cells that undergo active division and secrete the framework for bone formation.
Skeletal muscle ________.
|a.||works in conjunction with voluntary muscles|
|b.||works without thought or effort|
|c.||is under voluntary control|
Cortical bone tissue is very ________.
Skin contains ________ layers.
|a.||dermal and adipose|
|b.||hypodermal and epidermal|
|c.||epidermal and dermal|
________ bone tissue is very dense.
Rods are the photoreceptors responsible for ________.
________ neurons are all excitatory neurons.
|c.||Motor and somatic|
In the male reproductive system, where to the sperm mature?
Endocrine glands are found ________.
|a.||only localized in the thyroid|
|b.||in several locations around the body|
|c.||embedded in the skin|
The somatic nervous system has voluntary control of ________.
|a.||the brain and spinal cord|
|b.||internal organs, blood vessels, and smooth and cardiac muscles|
|c.||skin, bones, joints, and skeletal muscle|