Q: The complement system is a series of proteins constitutively found in the what? Choices: - nucleus - organs - platelets - blood plasma A:
blood plasma

Q: What are the most numerous blood cells? Choices: - neutrophils - white blood cells - platelets - red blood cells A:
red blood cells

Q: Q: In addition to five classes of fish, what other classes make up the species of vertebrates? Choices: - amphibians , vertebrae , birds , and mammals - reptiles, birds, mammals, and primates - insects, amphibians, reptiles, and birds - amphibians, reptiles, birds, and mammals A:
A: amphibians, reptiles, birds, and mammals

Question: Q: What feature of the spine helps with flexibility and strength? Choices: - shape - angle - arrangement - curves A:
Answer: curves

*Question*
Q: What is the term for a dynamic equilibrium that is maintained in body tissues and organs? Choices: - homogeneity - metabolism - dormancy - homeostasis A:
**Answer**
homeostasis

(Question)
Q: What do we call the theory of electromagnetism on the particle scale? Choices: - iron electrodynamics - light electrodynamics - gravity electrodynamics - quantum electrodynamics A:
(Answer)
quantum electrodynamics