Removing Other Body Wastes

Science V

Which is the correct sequence on how urine is eliminated?

a. kidneys-bladder-ureter-urethrab. kidneys-ureter-bladder-urethrac. kidneys-urethra-bladder-ureterd. kidneys-ureter-urethra-bladder

Review

1. Ask your mother or a doctor or a nurse, why most children urinate more often on cold days than on warm days?2. Drink eight (8) glasses of water before-'' going to bed. Observe and count how many times you urinated during the night.

Checking of Assignment

How often do you urinate?How often do you sweat?

Have you ever wondered how these things happen?

Removing other body wastes from out body?

Give your idea about this.

Motivation

Organs of the urinary system are not the only one that excretes wastes from the body. Other organs like skin, lungs, and the large intestines also remove wastes. These wastes from the body may be in solid, liquid or gaseous form.

Presentation

The liver is a large, important organ. In fact, it is the largest organ in our bodies. Its numerous functions make it “part” of the circulatory, digestive, and excretory systems. Some proteins and other nitrogenous compounds are broken down in the liver by a process called deamination.

Presentation

The liver is a large, important organ. In fact, it is the largest organ in our bodies. Its numerous functions make it “part” of the circulatory, digestive, and excretory systems.

Presentation

Some proteins and other nitrogenous compounds are broken down in the liver by a process called deamination.

Presentation

PresentationDeamination produces ammonia and waste products, which can be eliminated through urination. As a result of these reactions, a nitrogenous waste called urea is formed.

PresentationSweat which comes out of pores in your skin, is a mixture of three metabolic wastes: water, salts, and urea.

Presentation

The body produces carbon dioxide as the gaseous waste product. These are carried by the blood to the lungs, which is expelled by exhaling through the nose or mouth.

PresentationDefecation is the elimination of solid undigested food from the body. It is the function of the rectum as part of the digestive system.

ApplicationFill up the table below.

Other Excretory Organs Waste Materials Where it passes out

a.

b.

c.

EvaluationWrite the letter of your answer.1. Which system gets rid of body wastes?

A. excretory C. respiratoryB. reproductive D. digestive

2. Undigested food is stored in the ______.A. small intestine C. liverB. large intestine D. stomach

Evaluation3. Which is NOT an excretory organ?

A. kidneys C. stomachB. lungs D. skin

4. Which body waste is excreted through the skin.

A. sweat C. scarB. stool D. Carbon dioxide

Evaluation5. Which of the following pairs does not match?

A. solid waste – digestive systemB. liquid waste – skinC. gaseous waste – respiratory systemD. human waste – urinary system

Assignment

Identify some common ailments of the urinary system and its symptom/s

and treatment