Cells
What is the purpose of the Nucleus?
The dense, active protoplasm in the center of a cell. It plays an important role in cell reproduction and metabolism.
What is the Skeletal System? How many bones are there?
Forms the foundation of the body and is composed of 206 bones.
Name and describe the 3 parts of a Muscle.
Origin: The part of the muscle that does not move.
Belly: The middle part of the muscle.
Insertion: The part of the muscle that moves and is farthest from th skeleton.
Define Organs.
Sophisticated structures of specialized tissues designed to preform specific functions in plants and animals.
What are the 2 types of nerves?
Sensory and Motor.
What is Protoplasm?
A colorless jelly-like substance found inside cells. It contains food elements such as proteins, fats, carbohydrates, mineral salts, and water.
Name the parts of the Cranium.
Occipital Bone
Parietal Bone
Frontal Bone
Temporal Bone
Ethmoid Bone
Sphenoid Bone
What is the Muscular System?
The body system that covers, shapes, an holds the skeleton in place.
What are Body Systems?
Groups of organs acting together to preform one or more functions.
What are Nerves?
Whitish cords made up of nerve fibers held together by connective tissue where impulses are transmitted.
What is Cytoplasm?
The watery fluid surrounding the Nucleus. Needed for growth, repair, and reproduction.
How many bones are in the face?
14 bones.
How many muscles are in the face?
42 muscles.
Name the 11 Body Systems.
Circulatory, Digestive, Endocrine, Excretory, Integumentary, Immune/Lymphatic, Muscular, Nervous, Reproductive, Respiratory, Skeletal.
Where is the most concentrated area of Nerves in the body?
The Brain.
What is the Cell Membrane?
Encloses the protoplasm and permits soluble substances to enter ad exit the cell.
Name the 3 bones in the arm.
Humerus, Raius, Ulna.
What is the muscle around the eye socket that opens and closes the eyes?
Orbicularis Oculli.
Name the 4 types of tissues.
Connective, Epithelial, Muscle, Nerve.
What is the Fifth Cranial Nerve?
The chief sensory Nerve of the face that serves are the motor nerve and controls chewing.
Define Mitosis.
The process of cell reproduction when the cell divides into two identical cells called Daughter Cells.
What’s the largest bone in the body?
The Femur
What are Extensors and Adductors?
Extensors: muscles that straighten the wrist, hand, and fingers.
Adductors: muscles that draw the fingers in.
What is the purpose of the Circulatory system?
Controls blood circulation with he heart and blood vessels.
Define Sural Nerve.
Supplies impulses to the skin on the outer side and back of the foot and leg.