The cell structure that plays an important role in cell reproduction
Muscle represent about ____ percent of the body's weight
Thin-walled blood vessels that contain cup-like valves that keep blood flowing in one direction to the heart and prevent blood from flowing backward
The nerve supplies impulses to the skin of the forehead, upper eyelids, and interior portion of the scalp, orbit, eyeball, and nasal passage
Structures of the body that perform specific functions
Type of tissue protects and insulates the body
Another name for the circulatory system
This bone forms the forehead
The tendon that connects the occipitalis and the frontalis
The muscle that bends the foot up and extends the toes
The part of the cell that permits soluble substances to enter and leave the cell
The stomach and intestines are part of this system
The protective covering on body surfaces, such as the skin, mucous membranes, or linings of the heart, digestive and respiratory organs and glands
The muscle that turn the radius outward and the palm upward
Collections of similar cells that perform a particular function
The process by which cells reproduce by dividing into two identical cells called daughter cells
The muscles that produce the contour of the front and inner side of the upper arm, lift the forearm, and flex the elbow