Which of the following is a characteristic of mature red blood cells?
A. They have numerous mitochondria.
B. They lack a nucleus.
C. They play an important role in immune defense.
D. They carry most of the carbon dioxide that is transported in the blood.
E. They are able to undergo mitosis.
Answer: B
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Most people have 24 ribs.
Answer the following statement true (T) or false (F)
The preferred blood type for transfusing to a person with blood type A- is ________, but when it is unavailable, blood type(s) ________ may be used.
A. A+; AB- B. A+; O-, O+ C. A-; A+ D. A-; O-
Paralysis of which of the following would make an individual unable to flex the thigh?
A) biceps B) vastus medialis C) soleus D) iliopsoas and rectus femoris
Match the following:
A) Ovulation B) Scrotum C) Labia majora D) Uterus E) Corpora cavernosa 1) Where the fetus develops and grows. 2) The release of oocyte from ovary. 3) External sac enclosing the testes. 4) Erectile tissue in the male. 5) Female homologue of the scrotum.