HS - Cell 3

............ :

different tissues working together to form an organ to perform a specific function

• cell

• tissue

• organ

• system

............ :

cells with similar structure grouped together to carry out a specific function

• cell

• tissue

• organ

• system

Which of the following is not an organ?

• heart

• skin

• blood

• stomach

Which of the following is grouped wrongly?

• heart, stomach, skin, brain

• muscle tissue, connective tissue, epithelial tissue, blood

• respiratory system, digestive system, circulatory system

• leaf, root, xylem vessels, flower

Which of the following shows the correct arrangement of complexity in descending order?

• circulatory system -> heart -> red blood cell -> blood

• transport system -> roots -> xylem -> root hair cell

• respiratory system -> epithelial cell -> muscles -> lungs

• muscle cells -> muscles -> stomach -> digestive system

In division of labour, different functions of life are shared among its cells, tissues, organs and system.

• True

• False

In division of labour, every part performs the same work together to maintain the smooth and effective functioning of the whole organism.

• True

• False

Which characteristic of life if evidence from the video? (more than 1 answer)

• growth

• excretion

• sensitivity

• nutrition

What are the characteristics of life that are demonstrated in the video? (Select all that apply)

• movement

• sensitivity

• adaptability

• nutrition

What are the possible causes of cancer? (more than 1 answer)

• chemical carcinogens

• smoke

• ionising radiation

• UV rays