The sequence of organelles and cell parts involved in milk secretion is
A. nucleus, endoplasmic reticulum, Golgi apparatus, vesicles, cell membrane.
B. nucleus, nucleolus, nuclear envelope, cell membrane.
C. vesicles, Golgi apparatus, mitochondrion, cell membrane.
D. cell membrane, vesicles, Golgi apparatus, endoplasmic reticulum, nucleus.
Answer: A
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Doctors suggest that during long periods of sitting, you should flex and extend your feet at the ankles periodically and squeeze your calf muscles to assist with blood circulation. Why would non-exercise muscle contraction affect blood flow and cardiovascular health?
A. Contraction of muscles stimulates the arteries to vasodilate, reducing blood pressure. B. Contraction of the leg muscles stimulates baroreceptors to signal the autonomic nervous system and decrease blood pressure and heart rate from multiple fronts. C. Contraction of muscles itself increases heart rate and burns calories, keeping the heart strong and assisting in maintaining healthy weight. D. Contraction of the leg muscles squeezes leg veins, which functions as a pumping mechanism to return deoxygenated blood to the heart.
Experiencing pain in the right shoulder due to liver disease is an example of ________ pain
A) Pseudo B) Referred C) Disguised D) Phantom
This figure shows the muscles of the posterior trunk. What muscle does number 3 indicate?
A. Trapezius B. Rhomboid major C. Latissimus dorsi D. Infraspinatus E. Supraspinatus
Platelets are normally attracted to a
a. collection of white blood cells b. disrupted surface of a blood vessel c. smooth surface d. source of ATP production e. surface where the blood meets the air