Human Anatomy and Physiology

Planarians have an incomplete digestive tract, one entrance surving as the mouth and anus.

Types of connective tissue would include all of these except blood. This is not a type of connective tissue like bone and muscle.

Approximately half of the human body weight is composed of skeletal muscle that is voluntarily controlled. It is also referred to as striated muscle.

stabilizes, raises, retracts, and rotates scapula; adducts scapula and elevates /depresses scapula stabilizes, raises, retracts, and rotates scapula; adducts scapula and elevates /depresses scapula

oxygen-rich blood

crayfish

ganglion

keyboard
keyboard
keyboard

exoskeleton

connective tissue

Skeletal muscle is voluntary muscle.

Ligaments attach bone to bone. Tendons attach muscles to bone.

salt-former ;)

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