Ch 6: General Anatomy & Physiology Flashcards
The basic units of all living things, from bacteria to plants to animals, including human beings, are _____.
cells
The dense, active protoplasm found in the center of the cell is the _____.
nucleus
Mitosis is the usual process of cell reproduction of human tissues that occurs when the cell divides into two identical cells called _____.
daughter cells
The _____ is the watery fluid that surrounds the nucleus of the cell and is needed for growth, reproduction, and self-repair.
cytoplasm
The study of the functions and activities performed by the body’s structures is called _____.
physiology
Structures composed of specialized tissues designed to perform specific functions in plants and animals are known as _____.
organs
Which type of tissue contracts and moves various parts of the body?
Muscle tissue
Which type of tissue lines the heart, digestive and respiratory organs, and the glands?
Epithelial tissue
The connection between two or more bones of the skeleton is called a _____.
joint
The _____ is the larger of the two bones that form the leg below the knee.
tibia
The oval, bony case that protects the brain is the _____.
cranium
The maxillae are the bones of the _____.
upper jaw
The two bones that form the sides and top of the cranium are the _____.
parietal bones
The inner and larger bone in the forearm that is attached to the wrist and located on the side of the little finger is the _____.
ulna
The foot is made up of _____ bones.
26
What is the U-shaped bone at the base of the tongue that supports the tongue and its muscles?
Hyoid bone
The part of the muscle that does not move and is attached closest to the skeleton is the _____.
origin
The broad muscle that covers the top of he skull and consists of the occipitalis and frontalis is the _____.
epicranius
The _____ are the muscles that straighten the wrist, hand, and fingers to form a straight line.
extensors
The muscles that draw a body part, such as a finger, arm, or toe, inward toward the median axis of the body or of an extremity are the _____.
adductors
The system of nerves that carries impulses, or messages, to and from the central nervous system is called the _____.
peripheral nervous system
Sensory nerve endings called _____ are located close to the surface of the skin.
receptors