reproductive system
Visual.
ligaments work with the skeletal and the muscular systems of the body
Yes, It is a 3rd arm that grows out of your anal cavity.
The body system that the colon belongs to is the digestive system. The colon is also known as the large intestine.
Spiracles that connect tubes in the body belong to the respiratory system of insects. These structures allow air to enter into the insect's body and reach the tissues for gas exchange.
No. Sperm contains protein and natural sugars that belong in your body.
Reproduction.
Tendons belong to the musculoskeletal system in the human body.
it is an organ, it doesn't belong to any other organs in the body but it does belong to a system in the body the digestive system.
The bicep is in the muscular body system.
The immune system
The cardiovascular system.
Respiratory System
The gonads belong to the reproductive system. They are responsible for producing gametes (sperm in males and eggs in females) and sex hormones.
The male reproductive system.
Circulatory system
skeletal system :)