Final answer:
Skeletal muscle tissue functions include body movement, maintenance of posture, heat production, and providing protection and support to the body. It does not directly regulate blood pH or the elimination of materials.
Step-by-step explanation:
The functions of skeletal muscle tissue include a variety of roles essential to the body. These involve:
Body movement - Skeletal muscle contraction facilitates both movement and locomotion.
Maintenance of posture - Small, constant adjustments by skeletal muscles help keep the body upright and balanced.
Heat production - During contraction, skeletal muscles generate heat as a byproduct, contributing to thermal homeostasis.
Protection and support - Muscles protect internal organs and prevent excess movement of bones and joints, maintaining skeletal stability.
While skeletal muscle tissue does help in controlling the movement of substances at the openings of internal tracts (like swallowing or defecation), it is not directly involved in the regulation of blood pH or the elimination of materials. These processes are primarily managed by other systems like the respiratory and excretory systems.