The diaphragm helps the lungs do this.
What is breathe/expand and contract?
This type of muscle is under voluntary control.
This type of muscle is under voluntary control.
This organ pumps blood throughout the body.
What is the heart?
It is sometimes called the master gland because it controls the function of most other endocrine glands.
What is the pituitary gland?
This organ stores bile before it is released into the small intestine.
What is the gallbladder?
This pair of organs filters blood and produces urine.
What are the kidneys?
The integumentary system includes these structures that help regulate body temperature.
What are sweat glands?
This part of the nervous system includes the brain and spinal cord.
What is the central nervous system (CNS)?
This is the order of an organisms.
What is a cell, tissue, organ, organ system and an organism.
These tiny sacs in the lungs called alveoli exchange these types of gases.
What are oxygen and carbon dioxide?
The human skeleton is made of these two types of tissues.
What are bone and cartilage?
Blood vessels that carry blood away from the heart.
What are arteries?
This gland helps with sleep is located near the center of the brain.
What is the pineal gland?
This part of the digestive system absorbs water and forms feces.
What is the large intestines?
Urine is stored in this organ before being excreted.
What is the bladder?
These protect the body from the environment.
These cells transmit electrical signals in the body.
What are neurons?
This respiratory structure prevents food from entering the trachea.
What is the epiglottis?
These muscles work in pairs to move bones.
What are flexors and extensors?
This component of blood carries oxygen.
What are red blood cells?
This gland in the neck produces hormones that regulate metabolism.
What is the thyroid gland?
The process of breaking down food into smaller molecules is called this.
What is digestion?
This structure carries urine from the kidneys to the bladder.
What is the ureter?
The function of this system is to defend the body from infection, illness, and disease. The immune system includes organs, white blood cells, proteins (antibodies), and chemicals.
What is immunity?
This part of the brain controls balance and coordination.
What is the cerebellum?
Oxygen enters the bloodstream, and this gas is expelled.
What is carbon dioxide?
This is where blood is made in the human body.
What is the bones?
These vessels have thin walls to allow gas and nutrient exchange.
What are capillaries?
This type of chemical messenger is secreted by glands into the bloodstream.
What are hormones?
What is chemical and mechanical?
The functional unit of the kidney that filters blood.
What is the nephron?
This type of neuron sends signals from the brain to muscles.
What are motor neurons?
Name the two branches of the trachea that lead into the lungs.
What are bronchi?
Joints are held together by these tough bands of connective tissue.
What are ligaments?
The right side of the heart pumps blood to this organ to pick up oxygen.
What is the lungs?
This is the where the part of the digestion occurs when other organs help release enzymes.
What is the small intestine?