PP 993-998

Warm up 5/15:•Write out the digestive system pathway.•Name 3 enzymes or chemical secreted in the digestive system and name the organ which produces each.

Every cell in the body produces metabolic waste.

The skin, lungs, and kidneys make up this system.

Excretes water, salts, small amounts of nitrogenous wastes

Excrete water vapor and CO2

Formation and excretion of urine Mostly water to keep wastes

dissolved and easier to excrete (nitrogenous waste).

Formation and excretion of urine

Formation and excretion of urine

Mostly water to keep wastes dissolved and easier to excrete (nitrogenous waste).

blood forced into kidneys to clean out urea (created in liver), toxins, mineral salts, and water to form urine.

Some substances return to blood to maintain balance (through vena cava/vein)

Urine passes through the ureters to be stored in bladder until it is secreted through the urethra

Normally made of urea, water, salt and has a very light yellow color

Proteins may leak into the urine if the kidney is damaged

Proteins may leak into the urine if the kidney is damaged

Too dark in color indicates dehydration

Proteins may leak into the urine if the kidney is damaged

Too dark in color indicates dehydration

Brown color indicates bleeding from the kidneys

Proteins may leak into the urine if the kidney is damaged

Too dark in color indicates dehydration

Brown color indicates bleeding from the kidneys

Urine will have a high glucose count if the individual is diabetic

Proteins may leak into the urine if the kidney is damaged

Too dark in color indicates dehydration Brown color indicates bleeding from

the kidneys Urine will have a high glucose count if

the individual is diabetic Low or no glucose indicates

hypoglycemia, which results from too much insulin

Class Work: Dig/Exc Review WS & Digestion WS

Quiz tomorrow!