The esophagus is skeletal muscle at the top third, mixed in the middle third, and smooth muscle in the bottom third.
a. true
b. false
Answer: a. true
Anatomy & Physiology
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Which characteristics do annelids and arthropods have in common?
A) Both have feeding grooves. B) Both exhibit metamorphosis. C) Both are metameric. D) Both have a chitin-based body covering.
Anatomy & Physiology
If you have had the measles, you cannot get them again. This is an example of:
a. natural active immunity b. natural passive immunity c. artificial active immunity d. artificial passive immunity
Anatomy & Physiology
What tissue serves as the model for bones formed during endochondral ossification?
A) hyaline cartilage B) compact bone C) spongy bone D) fibrocartilage
Anatomy & Physiology
A synovial joint is also called a ________.
What will be an ideal response?
Anatomy & Physiology