What is the basic unit of life?
Cell
How many bones make up the skeletal system?
206
What is the main organ of the circulatory system?
Heart
What body system provides oxygen to the body and removes carbon dioxide?
Respiratory system
What two organs continually filter waste from the blood to form urine?
Kidneys
What is a collection of similar cells that do a certain job for the body?
Tissue
What is the location where two or more bones meet?
Joint
What type of blood vessel carries oxygen-rich blood?
Arteries
What is the exchange of oxygen and carbon dioxide in the respiratory system called?
Respiration
What tubes carry urine from the kidneys to the bladder?
Ureters
What is a collection of organs working together called?
Body system
What strong bands of tissue hold moving joints together?
Ligaments
What are the smallest blood vessels that deliver oxygen to cells and pick up oxygen-poor blood, and also tie together Arteries and veins?
Capillaries
What body system breaks down food to provide the body with nutrients and energy?
Digestive system
What organ stores urine until it is full?
Bladder
What body system includes the skin, hair, and nails?
Integumentary system
What tissue connects muscles to bones?
Tendons
Which type of blood cell helps defend the body against infections?
White blood cells
Where is bile stored?
Gallbladder
What structure transports urine out of the body?
Urethra
Name the three layers of the skin.
Epidermis, dermis, and hypodermis
What are the three types of muscle tissue?
Skeletal, smooth, and cardiac muscle
Which part of the blood is responsible for blood clotting?
Platelets
What muscle helps the chest expand to draw air into the lungs?
Diaphragm
What system helps the body fight infections and is included within the lymphatic system?
Immune system