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Defend Earth from alien invaders
Respiratory System (function)
Supply the blood with oxygen in order for the blood to deliver oxygen to all the parts of the body.
system responsible for taking in oxygen and releasing carbon dioxide using the lungs.
Part of the Respiratory System that consists of the Nose, pharynx, larynx, trachea, bronchi, and bronchioles.
Part of the Respiratory System that is found deep inside the lungs and is made of the Respiratory bronchioles, alveolar ducts, and alveoli.
The system that makes food absorbable into the body.
The digestive system breaks down food, absorbs nutrients, and eliminates wastes.
A muscular tube that connects the mouth to the stomach.
A J-shaped, muscular pouch located in the abdomen.
The part of the digestive system in which most chemical digestion takes place.
The last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body, Also known as colon.
Stores bile produced by the liver until it is needed in the duodenum.
Major organ that makes bile to break down fats.
Gland that secretes pancreatic juice into the duodenum, where it mixes with bile to digest food.
Group of organs that forms a long, twisting tube (intestines) extending from the mouth to the anus through which food is ingested, digested, and expelled.
Of or pertaining to or involving the heart and blood vessels.
The hollow muscular organ located behind the sternum and between the lungs.
The strongest of the three layers of the heart.
Outermost layer of the heart.
Inner layer of the heart.
Carries blood away from the heart.
A flap of tissue that prevents blood from flowing backwards.
Carry blood towards the heart.
A graphical representation of the electrical signals within the heart.
Hollow tubes that transport blood through the body.
system purposed for reproduction
when sperm and egg cells meet
canal that joins to outside of body (birth canal)
hollow, pear shaped organ that divides into two parts (cervix and corpus, [main body of uterus])
small, oval shaped glands (located on either side of uterus)
narrow tubes that are attached to upper part of uterus (tunnel for eggs)
canal that carries the urine from bladder to outside of body and vagina
small, sensory organ
male sexual organ for intercourse, contains three parts(root, body[shaft], and glans)
loose pouch, sac of skin that hangs behind penis that contains testicles
oval organs that lie in the scrotum, responsible for making testosterone and generating sperm
long muscular tube that transports mature sperm to urethra in prep for ejaculation
walnut size structure (located below urinary bladder) , helps nourish sperm
sac like pouches, produce sugar rich fluid (fructose) that attach to vas deferens
Consists of a pair of glandular kidneys, which remove substances from the blood, form urine, and help regulate certain metabolic processes.
The inner portion of kidney, composed of conical masses tissues called renal pyramids, the bases of which are directed toward the convex surfaces of the kidney and the apexes of which form renal papillae.
The outer portion of a kidney.(forms a shell around the medulla) It's tissue drips into the medulla between the renal pyramids, forming renal columns.
the system of cells, tissues, and organs that regulates the body's responses to internal and external stimuli.
Central Nervous System
Brain and Spinal Cord
Peripheral Nervous System
Sensory Neurons, Motor Neurons, Sense organs, and Receptors
A protective covering that prevents many harmful substances from entering the body.
Provides skin color, and absorbs ultraviolet radiation in sunlight.
Strands of tough, fibrous, waterproof keratin proteins that are synthesized and stored within cells.
Life giving fluid of the body that is made up of plasma, rbc's, wbc's, and platelets.
regulates elimination of feces.
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