All of the following are true of the cervix, EXCEPT
A) its secretions contribute to the chemical balance of the vagina.
B) it expands in length during sexual arousal.
C) it expands to permit passage of a baby.
D) sperm pass through the cervical canal.
Question 2
All of the following are true of vaginitis, EXCEPT
A) vaginitis can only be prevented with antibiotics.
B) vaginitis means vaginal inflammation.
C) vaginitis may be caused by birth control pills.
D) vaginitis may be involve abnormal discharge from the vagina.
Guinea pig being injected to test a chemical for its carcinogenic properties
Asthma. (a) A normal bronchiole. (b) An asthmatic bronchiole. During an asthma “attack,” the bronchi
Average Chemical Composition of the Geosphere Crust
Neuron-to-neuron chemical synapses.
True Dover Sole
As a nerve impulse arrives at the synapse, it triggers the release of a chemical neurotransmitter fr