Science 4th, unit 1 (2)

Science 4th, UNIT 1 (2)

oct-13

SCIENCE 4th grade

UNIT 1

(part 2)

J. CĂŠsar Brazo Mur

El Tomillar, J. C. Brazo

36

Science 4th, UNIT 1 (2)

oct-13

THE EXCRETORY SYSTEM is made up of The URINARY SYSTEM

The SWEAT GLANDS

ELIMINATES the WASTE SUBSTANCES that are PRODUCED by our bodies DURING the process ofNUTRITION

El Tomillar, J. C. Brazo

37

Science 4th, UNIT 1 (2)

oct-13

The URINARY SYSTEM is made up of: - The kidneys (2) - The ureters (2) - The bladder (1) - And the urethra (1)

It MAKES AND CARRIES URINE

El Tomillar, J. C. Brazo

38

Science 4th, UNIT 1 (2)

oct-13

FILTERS THE BLOOD and take out waste substances, that become URINE, along with some water

Takes URINE FROM the KIDNEYS TO the BLADDER

STORES URINE before being expelled outside the body

URINARY SYSTEM

El Tomillar, J. C. Brazo

TAKES URINE OUT of the body

39

Science 4th, UNIT 1 (2)

oct-13

SWEAT GLANDS They PRODUCE and TAKE OUT SWEAT PERSPIRATION is when SWEAT COMES OUT OF small holes in the skin called PORES

El Tomillar, J. C. Brazo

40

Science 4th, UNIT 1 (2)

oct-13

THE SWEAT

eliminates waste substances

regulates the body temperature (when it evaporates)

El Tomillar, J. C. Brazo

41