Science first homework unit 2

UNIT NUMBER 2 organisms

First homework / what you already know?

1. What are the three vital funcions carried out by all living beings ?

-reproduction
-interaction
-nutrition

2. What are the organs and systems responsable for these functions in a human being ?

Systems / Organs

-Skeletal system / Bones, cartilage, tendons and ligaments.
-Muslcular system/ Skeletal muscles and smooth muscles throughout the body.
-Nervous system/ Brain, spinal cord and peripheral nerves
-Resoiratory system/ Nose, trachea and lungs
-digestive system/ Mouth, esophagus, stomach, small and large intestines
-Excretory system/Kidneys, ureters, bladder and urethra.
-Endocrine system/hypothalamus, pituitary, thyroid, pancreas and adrenal glands.
-reproductive system/ Female (top): ovaries, oviducts, uterus, vagina and mammary glands. 
Male (bottom): testes, seminal vesicles and penis. 

3. Put in order accordin to size the following words... cell, atom, molecule, tissue.
1)atom 2)molecule 3)cell 4)tissue

Now complete the statement...Cells consist of.....MOLECULES....which are made of.......ATOMS.....

Finally answer this question... Is a tissue bigger than a cell ? What is a tissue ?

Yes a tissue is bigger than a cell because it's made up of cells.

A tissue...is a group of cells from the same type.