Tissues, organs and organ systems

Question 1

Large multicellular organisms need to exchange materials so they develop what for doing this?

Answer 1

Systems.

Question 2

Cells differentiate so that they can what?

Answer 2

Perform different functions.

Question 3

A tissue is what?

Answer 3

A group of cells with similar structure and function.

Question 4

Examples of tissues:

Answer 4

Muscle tissue (contracts to bring about movement).
Glandular tissue (produces enzymes and hormones).
Epithelial tissue (covers parts of the body).

Question 5

Organs are groups of…

Answer 5

…tissues.

Question 6

Tissues that make up the stomach:

Answer 6

Muscular tissue (to churn the contents).
Glandular tissue (to produce digestive juices).
Epithelial tissue (to cover the outside and the inside of the stomach).

Question 7

The digestive system is a group of organs. What organs are included in this system?

Answer 7

Stomach and small intestine (where digestion occurs).
Glands such as pancreas and salivary gland (produce digestive juices).
Liver (produces bile).
Small intestine (absorpbtion of soluble materials).
Large intestine (absorption of water).

Question 8

Examples of plant organs:

Answer 8

Stems.
Roots.
Leaves.

Question 9

Examples of plant tissues:

Answer 9

Epidermal tissues (cover plant).
Mesophyll (carries out photosynthesis).
Xylem and phloem (transportation of materials).