The Femur belongs to the skelital and the circulatory system because new red blood cells are formed in the marrow of the femur.
The femur is a bone in the thigh, and bones are not organs. They're part of the skeletal system not the organ system.
The system of muscles that move the Skelton are called the muscular system.
The skeleton.
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The longest single bone in the human body is the Femur or "thigh bone".femur
The nervous system and the endocrine system are the two major regulatory systems in the body.
In human anatomy, the femur is the longest and largest bone. Along with the temporal bone of the skull, it is one of the two strongest bones in the body. The average adult male femur is 48 centimeters (18.9 in) in length and 2.34 cm (0.92 in) in diameter and can support up to 2 times the weight of an adult
The Nervous System and the Endocrine System are the two body systems that regulate homeostasis.
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In humans, femur is the longest and largest bone. It is one of the two strongest bones in the body, along with the temporal bone of the skull.
The spinal cord itself is part of the nervous system. However, it runs through the centre of the spine, which is part of the skeletal system.
The longest single bone in the human body is the Femur or "thigh bone".femur
The nervous system and the endocrine system are the two major regulatory systems in the body.
The two coordination systems of the body are the nervous systems and the endocrine sytems, which enable all parts of the body to work together as one.
In human anatomy, the femur is the longest and largest bone. Along with the temporal bone of the skull, it is one of the two strongest bones in the body. The average adult male femur is 48 centimeters (18.9 in) in length and 2.34 cm (0.92 in) in diameter and can support up to 2 times the weight of an adult
The Nervous System and the Endocrine System are the two body systems that regulate homeostasis.
Digestive and respitory systems
the respiratory and circulatory systems
The nervous and endocrine systems are the two systems responsible for controlling behavior.
there are way more than two, but i think you mean the endocrine and nervous systems