In spongy bone tissue, the spaces are filled with:
a. air
b. blood
c. cartilage
d. red bone marrow
e. lymph
d
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The evolution of which tissue layer allowed an
increase in complexity of animal body organization? a. ectoderm b. mesoderm c. endoderm d. protocell e. Trichoplax
Four of the five substances listed below are related to the kidney in one way or another. Select the
exception. a. renin b. thyroid stimulating hormone c. ADH d. angiotensin I e. erythropoietin
Club mosses belong to the phylum Bryophyta
____________________ Indicate whether the statement is true or false.
Which statement is true about syphilis?
A. It often harms the joints and skin. B. It damages the liver, bones, and brain. C. It has no cure. D. It causes a compromised immune system. E. It is the main cause of eye infections in babies during birth.