Answer the following statements true (T) or false (F)
1. Microtubules are hollow tubes made of subunits of the protein tubulin.
2. Nitric oxide may act as a biological messenger.
1. True
2. True
Anatomy & Physiology
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The ________ is the amount of blood in a ventricle after it has contracted and before it begins to refill
A) ejection fraction B) end-diastole volume C) start-diastolic volume D) end-systolic volume E) stroke volume
Anatomy & Physiology
Sperm are ejaculated from the corpora cavernosa of the penis
Indicate whether the statement is true or false
Anatomy & Physiology
The alveoli are encircled by capillaries
Indicate whether the statement is true or false
Anatomy & Physiology
Which of the following is not a term that describes a cut that separates the body into left and right portions?
A. Sagittal B. Coronal C. Median D. Parasagittal
Anatomy & Physiology