Which type of blood cell transports oxygen?
A) lymphocyte
B) platelet
C) leukocyte
D) erythrocyte
D
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A medical term that means insufficient oxygen is ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following neurotransmitters acts as an excitatory transmitter in the skeletal muscles but functions as an inhibitory transmitter in the heart muscle?
A. Norepinephrine B. Epinephrine C. Acetylcholine D. Serotonin
The objective of meditation is to ____.
A. help relieve chronic pain and increase pain tolerance B. gain control over one's attention by clearing the mind and blocking out the stressor(s) responsible for the higher tension C. attain a higher level of spirituality and peace of mind D. master a technique of mind control E. promote tranquility and reflection through postures that combine meditation and dance
Within the vascular system, ________ are responsible for carrying blood away from the heart.
A. alveoli B. arteries C. mitochondria D. veins