Definitions

Question 1

Unicellular cells

Answer 1

one cell performs actions for all things

Question 2

Multicellular cells

Answer 2

multiple groups of cells perform a different function for different things

Question 3

tissues - give examples

Answer 3

group of cells specialized in performing a special job together eg. muscle tissues, they contract and expand

Question 4

organs - give examples

Answer 4

different tissues combine to form organs for an important function. eg. the heart, stomach, kidney, eyes, etc.

Question 5

organ system - name 8 of them

Answer 5

group of organs performing various life activities, circulatory, excretory, muscular, nervous, digestive, reproductive, respiratory, skeletal system.

Question 6

diagram of cells and groups.

Answer 6

cells → tissues → organs → organ systems → human body

Question 7

the framework of bones and number of bones in an adult

Answer 7

skeleton, 206 bones

Question 8

the functions of the skeleton.

Answer 8

support, protection, movement, and making red blood cells

Question 9

explain support in the functions of the skeleton.

Answer 9

your body has lots of soft organs & muscles thus, a hard framework is needed for support, the skeleton holds it upright and provides a framework too.

Question 10

Bones are hard on the exterior but soft and spongy in the interior, the soft and spongy substance is known as _______. Explain the function too.

Answer 10

bone marrow - it produces blood cells for the body.