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42 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Myofibrils is found in what type of muscle |
Striated muscle |
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Function of myofibrils |
Contract muscles |
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Sarcoplasm is what |
The cytoplasm of a muscle fibre |
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Sarcoplasm is a water solution containing what |
ATP and phosphagens |
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What is the role of sarcolemma |
Acts as a barrier between the extracellular and intracellular compartments, defining individual muscle fiber from its surroundings |
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Mitochondria in a muscle fibre plays what role |
Cell metabolism, energy supply, calcium homeostasis, reactive oxygen signals |
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Sarcoplasmic reticulum structure |
Closed sac like membranes |
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Sarcoplasmic reticulum function |
Intracellular calcium store in striated muscle. Regulation of calcium concentration during contraction and relaxation |
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I band does what during contration |
Shortens during muscle contraction |
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A band does what during contraction |
Remains the same |
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Mosin and actin are what type of proteins |
Contractile proteins -shortening the muscleb |
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Tropomyosin and troponin are what type of protein |
Regulatory proteins - starts and stops shortening |
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Motor neuron definition |
Pathway of impulses passing from the brain and spinal cord to a muscle or gland |
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Motor unit |
One single motor neuron and all the muscle fibres it stimulates |
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Neuromuscular junction definition |
A synaptic junction between the terminal end of a motor neuron and a muscle. Triggering release of acetycholine |
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What are the three types of muscle |
Smooth, cardiac, skeletal muscle |
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Cardiac muscle cell structure |
Short thick cells that are branched and linked to each other. |
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Smooth muscle structure |
30-200 microns long 5-10 microns wide |
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Nerve supply is autonomic in what muscle type |
Smooth muscle |
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Layers of visceral smooth muscle |
Epithelial Lamina propria Muscularis mucosae Circular layer Longitudinal layer |
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Layers of skin (5) |
Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum basale |
Come let's get sun burnt |
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What is the first and last layer of skin |
Stratum coneum Stratum Basale |
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B lymphocytes produce why |
Antibodies |
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The apex of the heart points where |
The left side of the body pointing to the 5th intercostal space |
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Anatomical location of the heart |
Between the lungs, behind and slightly to the left of the breastbone |
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Hypertrophy is what |
Enlargement of the heart due to muscle cell growth |
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What is responsible for regulation of internal organ functions like digestion, heart rate, respiration rate as well as refelx actions eg coughing |
Vagus nerve |
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The Vegas nerve releases what hormones |
Acetylcholine |
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Where is factor 8 produced |
The liver |
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Clotting factorbis also known as what |
Anti- hemophilic factor |
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Renin is secreted from what organ |
The kidney |
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Renins role is what |
Regulating blood pressure |
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Pleura function |
Contains pleura fluid which acts as a lubrication and allows Lung movement with no friction |
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Plura structure |
Serous membrane that folds back onto itself forming a two layered membrane structure |
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Boyles law says what |
Relationship between volume and pressure in a gas at a constant temperature. Inversely proportional to each other |
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Leukocyte is what type of blood cell |
White blood cell |
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Leukocyte function |
Engulfs foreign material and cellular debris |
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Cardiac conduction system in order |
SA node AV node Bundle of HIS |
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Hematocrit is what |
The measure of someone's red blood cell count |
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How many loves does the left and right lung have |
Right has 3 lobes Left has 2 |
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4 parts of the lung |
Windpipe Bronchi Bronchioles Alveoli |
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Stroke volume is what |
Difference between the left ventricle diastolic - relaxed Left ventricle systolic ! Contracted |
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