Which of the following cell structures are involved in propelling substances across cell surfaces?

A)microfilaments
B)cilia
C)intermediate filaments
D)flagella
E)vaults


B)cilia

Anatomy & Physiology

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The long refractory period of cardiac muscle prevents tetanic contractions of the heart

Indicate whether the statement is true or false

Anatomy & Physiology

Laron dwarfism is due to abnormal GH receptors and not a deficiency in growth hormone

Indicate whether the statement is true or false

Anatomy & Physiology

Why does our blood pressure generally go up as we age?

A. Our veins get 'hard' and absorb less diastolic force B. Our arteries get 'hard' and absorb less systolic force C. Our arteries get 'hard' and absorb less diastolic force D. Our veins get 'hard' and absorb less systolic force

Anatomy & Physiology

If the arches of the foot fail to form, a person is said to have ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology