Which cells are responsible for generating the electrical impulses that control heart rate?
There are various forms of myocytes in the body, but it is the cardiac myosytes that are responsible for generating the electrical impulses that control heart rate.
Which of the following is not found in the nucleus of a cell?
The nucleus comprised of the nucleolus, chromatin and chromosomes is the command center of a cell. Lysosomes act as the cells digestive system.
Which of the following best describes antigens?
An antigen is a substance either foreign or internal that triggers an immune response. This response is triggered by a histocompatibility molecule within each cell that can trigger an immune response.
How many joints are part of the shoulder girdle?
There are three joints that are part of the shoulder girdle - the sternoclavicular joint, the acromioclavicular joint and the glenohumeral joint.
Which of the following bones are part of the hindfoot?
The talus is also known as the ankle bone to which the tibia and fibula connect. The other bone of the hindfoot region is the calcaneus also known as the heel.
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