Excretory System (Day 2)

Excretory System (Day 2)

Poll

SEL: How are you doing?

• Great!

• I'm okay.

• Meh

• I've been better.

• I'm not my best today.

Open Ended

Where do you see yourself in five (5) years?

Open Ended

What is the function of the Excretory System?

The Functions of the Excretory System

• Get rid of wastes.

• Eliminate useless byproducts excreted from cells.

• Eradicate harmful chemical buildups.

• Maintain a steady, balanced chemical concentration in the body (Maintain Homeostasis).

Multiple Choice

Which is NOT a function of the Excretory System?

• Get rid of wastes.

• Help the heart beat.

• Eliminate useless byproducts excreted from cells.

• Eradicate harmful chemical buildups.

• Maintain a steady, balanced chemical concentration in the body

Excretion

• Digestive System - Food and liquid in, Water and undigested food out.

• Respiratory System - Oxygen in, Carbon dioxide and water out

• Skin - salt and some organic substances out

• Urinary System - Water and salts in, excess water, waste and salts out.

Organs of Urinary System

• Kidney- Contains a filter called nephrons that filters the blood Nephrons produce urine.

• Ureter- Collects urine from the kidney and delivers to the bladder

• Bladder- stores urine until ready to release it through the urethra.

• Urethra- small tube that send urine out of the body.

Multiple Choice

Which is NOT an organ of the the Urinary System?

• Lung

• Uretha

• Kidneys

• Bladder

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