A person who is perceives themself as a member of a different gender from the one assigned at birth.

Transgender.

Explanation:

Transgender is defined as a term that includes ways that people’s gender identities can be different from the sex they were assigned at birth. Transgender people have a gender identity or gender expression that differs from their sex assigned at birth. Some transgender people who desire medical assistance to transition from one sex to another identify as transsexual

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

the answer is:

carbon dioxide