5 Questions
The body gets rid of metabolic waste substances through a process called ______.
excretion
Carbon Dioxide and nitrogenous waste like ______ need to be removed from the body.
urea
To be healthy, the ______ filter waste products out of blood, which becomes urine.
kidneys
Urine balances salts and ______ in the body.
water
Urine is stored in the ______ and excreted through the urethra.
bladder
Study Notes
Excretion and Its Importance
- The body eliminates metabolic waste substances, which are produced from chemical reactions, to prevent toxicity and maintain cellular function.
- Examples of waste products include Carbon Dioxide and nitrogenous waste, such as urea.
The Excretory Process
- Body cells generate waste products, which are then removed from the body.
- The kidneys play a crucial role in maintaining health by filtering waste products from the blood, which is then converted into urine.
- Urine helps to regulate salt and water balance in the body.
- The bladder stores urine, and it is eventually excreted through the urethra.
Learn about the human excretory system, how it removes waste products and maintains a healthy balance of salts and water in the body.
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