A muscle on the front of the upper arm is called the biceps. The "short head" and "long head" of the biceps function as a single muscle.The triceps, also known as triceps brachii, is a large muscle on the back of many vertebrates' upper limbs that is known as the "three-headed muscle of the arm" in Latin. The long head, lateral end, and medial end makeup its three components.
Tendons, which are strong connective structures, hold the biceps to the arm bones. The proximal biceps tendons are the tendons that attach the biceps muscle to the shoulder joint twice. The distal biceps tendon is the tendon that connects the biceps muscle to the forearm bones (radius and ulna). When the biceps muscles contract, the forearm is pulled up and rotated outward.
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The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain. The optic nerve connects the brain to the eye.
answer is D ( totipotent cells can differentiate into more types of cells )
Photosynthies or however you spell that
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A major factor in determining the mode of nitrogen excretion is the availability of water in the environment. Generally, aquatic animals excrete mostly ammonia, whereas terrestrial animals excrete either urea or uric acid.
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