The heart begins very early in mesoderm within the trilaminar embryonic disc. The heart forms initially in the embryonic disc as a simple paired tube inside the forming pericardial cavity, which when the disc folds, gets carried into the correct anatomical position in the chest cavity.
True. Eating anything with vitamin C will prevent scurvy. While it is true that heat does destroy vitamin C, it can still be ingested from light cooking techniques (steaming, boiling etc.)
Answer:
Diplopia
Explanation:
Diplopia, also called double vision, happens when the eyes are not aligned correctly, transmitting images of the same object to the brain, but from different angles. People with diplopia cannot fuse images from both eyes into a single image, creating the sensation that two objects are being seen instead of one; or they need to point their eyes inward to focus on an object.
Of all the vision disorders, diplopia is perhaps one of the most troublesome - and identifying its cause is a challenge. Diplopia happens when the eyes have a discrepancy between them and send images of the same object to the brain from different angles, so that it cannot understand them as the same and cannot merge them into one, causing vision double.
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