Which of the following best describes a proton?
A. Subatomic particle with no electric charge
B. One positive charge, mass of one, found in nucleus
C. No charge, mass of one, found in nucleus
D. One negative charge, no mass, found in orbitals
E. None of the choices are correct.
Answer: B
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Which of the following muscles inserts to the posterior calcaneus via the calcaneal tendon?
A) the semitendinosus B) the tibialis anterior C) the gastrocnemius D) the sartorius
The nerves that supply the upper limbs enter or exit from this area of the spinal cord.
A) cervical plexuses B) cervical enlargement C) lumbar enlargement D) sacral plexuses
Which scientist experimentally demonstrated that blood circulates through the body?
A. William Harvey B. Galen C. Vesalius D. Huang Ti E. Antony van Leeuwenhoek
What is the main female gonad?
A) vagina B) ovary C) uterus D) cervix