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

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

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