Skeletal & Muscular
When two smaller bones are joined together to form one bone, we say they are...
A side effect that occurs when bacteria in your intestines digest carbohydrates and release different gasses.
Flatulence
The part of your body that gives you the ability to speak.
Larynx or Voice Box
The momentary stretching of arteries cause by the rush of blood forced out of the heart with each beat.
Pulse
Chemicals produced in your glands that travel the blood stream to interact with specific cells or organs, telling them to perform precise functions.
Hormones
The outer surface of the brain is called _____ _____. Neuron cell bodies give it its color.
Gray Matter
The outermost layer of your skin.
Epidermis
The change that happens in DNA when it is not copied correctly.
Mutation
A cellular waste product (type of acid) created when energy is produced anaerobically (without oxygen).
[2 words]
Lactic Acid
One of the chemicals made by the liver (and stored in the gall bladder) that is important for the digestive process.
Bile
Holes in your skull that aid in the warming, moisturizing and filtering of the air you breathe.
Sinus Cavities
A unique cluster of cells inside the heart that causes the heart to beat on its own.
Pacemaker
Connects the brain to the spinal cord and controls things like your breathing and heartbeat.
Brainstem
The lobe of the cerebrum that is located near your temple. It processes both smells and memory.
Temporal Lobe
Lots of this pigment will make a person’s skin brown, olive or black.
Melanin
Special proteins made by B cells that lock onto foreign antigens.
Antibodies
The layer of bone under the compact bone. It is a network of pores and tunnels.
Spongy Bone
The liquid substance food becomes after being broken down in the stomach.
A condition that results from not having enough red blood cells.
Anemia
___________ valves found in the heart. These half-moon shaped valves keep the blood from flowing backwards into the ventricles when the heart relaxes between beats.
Semilunar
The gland in your brain that is the central controller for many other hormone releasing glands.
Pituitary Gland
When an interneuron in the spinal cord decides to activate a motor neuron without waiting for the brain to give instructions.
Reflex Arc
The pigment that gives the skin a slightly yellow tone.
Carotene
Special T cells that attack and destroy “flagged” cells.
Killer T Cells
_______ muscles open the joints wider.
Extensor
The tiny projections inside the small intestine that help transport nutrients to blood vessels throughout the intestine.
Villi
The special oxygen carrying protein that red blood cells make and use.
Hemoglobin
The two lower chambers of the heart. These muscular chambers push the blood out of your heart.
Ventricles
The very tiny space between the axon terminal of one neuron and the dendrite of another.
Synapse
The lobe located in the back part of the cerebrum. It processes visual information.
Occipital Lobe
Oil glands that are like built-in skin lotion dispensers.
Sebaceous Glands
Special kinds of chemicals that are released and sent to injured tissue, often causes inflammation.
Histamines
______ fluid allows the joints to move more easily.
Synovial
A powerful enzyme in the stomach that is needed to break down the proteins eaten into smaller chemical components that the body can use.
Pepsin
A small pink projection hanging downward from your soft palate.
Uvula
The large vein that collects blood from the lower parts of the body. (3 words)
Inferior Vena Cava
Chemicals at the end of an axon that transmit information from once neuron to another.
Neurotransmitters
A special fluid between the skull and brain that helps cushion the brain and keep it comfortably in place.
Cerebrospinal Fluid
The hypodermis is also known as ________ ______.
Subcutaneous Tissue
Special white blood cells inside the lymph nodes.
Lymphocytes