Upper chambers of the heart
Atrium
Resting Heart Rate
60-100 beats per minute
Thin-walled branching vessels that carry oxygen-depleted blood from the capillaries to the heart.
Veins
The study of the nervous system
Neurology
Another name for a nerve cell
Neuron
It governs all involuntary body functions.
Autonomic Nervous System
Breaks down food into simpler chemical compounds that can be easily absorbed by cells or eliminated from the body as waste.
Digestive System
Eliminates solid, liquid & gaseous waste products from the body.
Excretory System
Intake of oxygen to be absorbed into the blood
Inhalation
A group composed of specialized ductless glands that regulate and control the growth, health and reproductive.
Endocrine System
The heart's membrane
Pericardium
Characteristic of Blood
Salty & Sticky
Small vessels that take nutrients and oxygen from the arteries to the cells and take waste products from the cells to the veins.
Capillaries
Components of a nerve cell
Nucleus, Cytoplasm & Cell Membrane
Threadlike fibers extending from the cell
Axons
Carry messages from the brain to the muscles
Efferent Nerves
This is the organ that begins digestion.
Stomach
Releases water, carbon dioxide and other waste.
The skin
System that maintains the exchange of oxygen and carbon dioxide.
Respiratory System
Chemical substances that are released directly into the bloodstream.
Hormones
Lower chambers of the heart
Ventricle
Fluid part of blood
Plasma
The process of blood traveling from the heart throughout the body and back to the heart
Systemic Circulation
Composed of the brain and spinal cord, this controls all voluntary and involuntary body action
Central Nervous System
These terminals may connect the neuron to muscles, organs, or other nerve cells.
Synapses
Humans have this many cranial nerves
12
This is excreted by the salivary glands to break down food.
Enzymes
Secretes bile, converts and neutralizes ammonia.
Liver
Elimination of oxygen's toxic by product.
Exhalation
What plays a key role in the proper regulation of the Endocrine System?
Nutrition
Begins the process of coagulation or clotting
Thrombocytes
Protect the body by fighting bacteria and other foreign substances
Leucocytes
Branching vessels that carry oxygenated blood away from the heart
Arteries
Opposing functions that help keep the body balanced
Homeostasis
Carry messages to the brain and spinal cord.
Afferent Nerves
Slows heart rate, dilates blood vessels and lowers blood pressure
Parasympathic Nervous System
This organ stores the waste for eventual elimination.
Large Intestine
The 2 primary glands of the integumentary system. (technical name)
Sebaceous & Sudoriferious Glands
A conducting pathway through which air flows.
Trachea
Allows a living organism to procreate.
Reproductive System
What attracts oxygen molecules through a process called oxygenation?
Hemoglobin
They carry oxygen and contain a protein called hemoglobin
Erythrocytes
The process where blood travels to the lungs, where it is oxygenated
Pulmonary Circulation
Accelerates the heart rate, constricts blood vessels and raises blood pressure
Sympathetic Nervous System
This part of the central nervous system is protected by the vertebrae
spinal cord
Controls higher mental functions such as thought, emotion and memory
Cerebrum
The passage way to the stomach and lungs.
Pharynx
Largest organ of the body
Skin
Spongy muscles composed of cells into which air enters when you inhale.
Lungs
Organ that synthesizes insulin
pancreas
The valve that allows blood to pass from the left ventricle to the aorta
Aortic valve
All blood from the head, face and neck return to the heart through what branch? (need the whole names)
Internal & External Jugular Vein
Blood is supplied to the lower portion of the face, including mouth and nose.
External Maxillary Artery
Regulates motor function, muscle movement and balance.
Cerebellum
Receive impulses from adjacent neurons
Dendrites
Specific nerve responsible for decreasing cardiac output
Vagus nerve (CN X)
This organ begins the breakdown of nutrients.
Small Intestine
Canal-like structures that open onto the surface of the skin.
Ducts.
A muscular organ that separates the chest cavity from the abdomen.
Diaphragm
The system that directly affects hair growth, skin conditions and energy levels.
Endocrine System
Acts as a barrier to infection from one part of the body part to another.
Lymph Nodes
Supplies blood to the back of the head, up to the crown.
Occipital Artery
What is the size & shape of the heart?
Cone Shape & the size of a Fist
Controls breathing and heart function
Medulla Oblongata
System that carries sensory information from the ears, eyes, nose and tongue
Peripheral Nervous System
Nervous system responsible for dilating pupils
sympathetic nervous system
Nutrients are absorbed by these finger-like projections of the intestine walls.
Villa
Receives urea from the liver to then excrete it from the body.
Kidneys
This contains the vocal cords.
Larynx
Gland that synthesizes norepinephrine
adrenal gland
What vessels are between the arteries and capillaries?
Artierioles
What vessels are between the capillaries and veins?
Venules
Artery located on either side of the neck
Common Carotid
what nerve is responsible for increasing heart rate
none (sympathetic nervous system)
What is the name of the nervous system that is responsible for constriction of pupils
parasympathetic nervous system
Nervous system responsible for "rest and digest" response
parasympathetic nervous system
The twisting and turning motion of the esophagus.
Peristalsis
This filters out waste products and water, allowing usable nutrients to be reabsorbed into the blood.
Nephrons
How many total lung lobes do humans have?
5 (3 on right, 2 on left)
Gland that secretes thyroid releasing hormone
pituitary gland