Which statement is correct?
A) For distant vision, the ciliary muscle is relaxed and the lens is rounded.
B) For close vision, the ciliary muscle is relaxed and the lens is flattened.
C) For distant vision, the ciliary muscle is contracted and the lens is flattened.
D) The closer the light source, the shorter the focal distance.
E) For close vision, the ciliary muscle is contracted and the lens is rounded.
E) For close vision, the ciliary muscle is contracted and the lens is rounded.
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A) diaphragm B) rectus abdominus C) pectoralis major D) internal intercostals E) transverse abdominis
The property of heart muscle in which it contracts in the absence of neural or hormonal stimulation is called
A) tamponade. B) thrombosis. C) autorhythmicity. D) arrhythmias. E) tetanus.
Females continue to produce additional numbers of eggs throughout life
Indicate whether the statement is true or false
A tissue containing cells capable of changing membrane potential is an excitable tissue.
Answer the following statement true (T) or false (F)