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30 Cards in this Set
- Front
- Back
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How many micrometres are in 1 millimetre? |
1000 |
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How many micrometres are in 1 stage unit? |
100 |
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Where is the femoral vein and nerve located? |
On the inside surface of the thigh |
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Where is a sperm stored in male rats? |
In the epididymis |
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Name the two regions of the stomach: |
Pyloric region Cardiac region |
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What is the ureter? |
A narrow tube connecting the kidney to the bladder |
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Why are the ends of the pelvic girdle fibrous in female rats? |
To allow the pelvic girdle to widen during childbirth |
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Which organelle processes energy used by cells? |
Mitochondria |
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Name two structural differences between arteries and veins |
Arteries have thick, elastic walls and narrow lumens to accommodate high blood pressure Veins have thinner walls and wide lumens as blood pressure is low |
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How would you identify blood vessels under the microscope? |
Presence of blood (shimmering concave disks) |
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What is the function of microvilli? |
Increase surface area to allow for quicker and easier substance exchange |
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What is the vas deferens? |
A white tubular structure that sperm travels along from the anterior part to the posterior part of the epididymis |
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What is the inguinal canal? |
A hole in the muscular body wall where the vas deferens connects to the abdominal cavity |
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Why would the Cardiac region of the stomach be more swollen? |
Food is stored in this region |
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What is the function of the hypatic portal system? |
To transport digestive juices for detoxification in the liver |
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What are the two loops of the circulatory system called? |
Systemic Pulmonary |
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What does the systemic circulatory system do? |
Transports blood from the heart to the tissues and back |
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What does the Pulmonary circulatory system do? |
Transport blood from the heart to the lungs and back |
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Which major vessels are connected by the ductus arteriosus? |
The Pulmonary and aortic artieres |
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Where does the Pulmonary artery take blood from and to? |
From the right ventricle to the lungs |
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Where does the aorta take blood from and to? |
The left ventricle to the tissues |
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What process allows lungs to in fkate when somebody inhales? |
The negative pressure induced by downmard movement |
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What membranes allow for normal expansion of the chest wall? |
Pleural membranes |
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What is the brachiocephaloc trunk? |
A branch off the aorta that takes oxygen to the forelimbs and head. |
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Why is the ductus arteriosus open in the feotus? |
Developing foetus doesn't need oxygen |
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What are the valves in each ventricle called? |
Right ventricle: tricuspid valves Left ventricle: biscuspid valves |
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What is the function of the heart valves? |
To prevent back flow of blood |
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What are the chordae tendineae for? |
Opening and closing valves |
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What aids chordae tendineae action? |
Papillary muscles in the ventricle walls |
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How does blood return from the coronary system back into main blood circulation? |
Through the coronary sinus |
