Name of the two thin tubes that take urine from the kidney to the bladder.
Ureters
The _______ is a muscle that prevents urine from exiting the bladder until you’re ready to urinate.
Sphincter
The atria are the “upstairs” chambers of the heart. What is the name of the “downstairs” chambers?
Ventricles
This system acts as a one-way drainage system this means it moves fluid from body tissues into the blood circulation
The lymphatic system
Which are the thinnest blood vessels?
Capillaries
How many nephrons does each kidney have?
Over one million
Name the three stages of urine formation.
They are filtration, reabsorption, and tubular secretion
Sweat glands in the skin secrete a fluid waste called sweat or perspiration. That means that they are part of the excretory system. True or false?
True. However, the primary function of sweat glands is to keep the core body temperature at approximately 37 °C
Name the parts of the urinary system.
Kidneys, ureters, bladder, and urethra
Which blood vessels have valves?
Veins
What is the name of the main structural and functional units of the kidneys?
Nephrons
Name the types of blood vessels.
Arteries, capillaries, veins
Getting rid of body wastes is called...
excretion
This system helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues and depositing them in the bloodstream
The lymphatic system
Oxygen-rich blood in the left ventricle leaves the heart via… what vessel?
Aorta
Which structures allow blood to flow in one direction?
Valves
Cells that fight germs
White blood cells (leukocytes)
Which of the following parts is not found in the urinary system? A) Ureters B) Urethra C) Bladder D) Rectum
D) Rectum
Name of the path of circulation between the heart and the lungs
Pulmonary circuit
Gas, nutrients, and waste exchange between blood and body tissues takes place… where?
In the capillaries
Name of the protein that carries oxygen.
Hemoglobin
Periods of contraction and pumping in the heart are called…
Systole
We find these cells inside the lymph nodes.
White blood cells
This part of the circulatory system helps in the clotting process
Platelets (thrombocytes)
Which blood vessels have elastic walls?
Arteries
How many chambers does the heart have?
Four
What organ removes waste from blood?
Kidney
Urine is made of:
Water and waste products
Name the parts of the circulatory (or cardiovascular) system.
Heart, Blood, Blood vessels
Name of the vessels that carry blood back to the heart.
Veins
The respiratory system is part of the excretory system. True or false?
True. It gets rid of gaseous wastes, such as carbon dioxide, from the bloodstream
The main function of the urinary system is to:
Get rid of waste and extra fluid
The beating sound your heart makes comes from...
valves closing