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Which of these lists the stages of prenatal development in correct order?
zygote, cleavage, morula, blastocyst, embryo, fetus
During embryogenesis, the embryoblast flattens into an bilaminar embryonic disc composed of
ectoderm and endoderm.
The most abundant protein of the epidermis is keratin, while the most abundant protein of the dermis is collagen.
A loss of bone mass, especially spongy bone, is usually a result of lack of exercise or deficiency of estrogen after menopause. This disorder is called
This part of a synovial joint encloses the cavity, retains the synovial fluid, and is continuous with the periosteum.
The contraction of the piloerector muscles (arrector pili) in humans causes
hairs to stand on end with no apparent function.
In the zone of bone deposition, _____ cells rapidly invade the calcified matrix and lay down bone. Then ______ cells erode the spongy bone to form the marrow cavity.
Which of the following is not one of the four primary classes of tissue?
cartilage tissue (epithelial, connective, nervous, muscle)
All glands that release their products by way of ducts, rather than directly into the bloodstream, are called ___ glands
In thick skin, the layers of the epidermis from deep to superficial, respectively, are the stratum
basale, spinosum, granulosum, lucidum, and corneum.
A uniaxial joint like the elbow is capable of which one of the following movements?
flexion and extension
When bone is stressed on one side, it usually bends slightly on the other side and does not fracture. This is due to tensile strength caused by
A synchondrosis and symphysis differ only with respect to what type of cartilage joins adjacent bones to each other.
The epithelia of the digestive tract, respiratory tract, urinary bladder, and accessory reproductive and digestive system glands are derived from
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