An animal cell has a nucleus but no cell wall.
Clavicle is also called as collar bone.These are the long bones which connects the arm to the case of the body.it keeps the arm to move freely.
therefore,
Clavicle is called as the beauty bone.
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Answer:
Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes. Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body (for instance in the bowel)
Explanation:
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15. B.
16. G. schlerenchyma cells
17. D. ATP
A compound is organic if it contains carbon covalently bonded to other atoms. Most often, the other atoms include hydrogen, oxygen, and/or nitrogen. A few carbon compounds, such as simple oxides (e.g. CO2) and cyanides (e.g. KCN) are excluded arbitrarily.
