Question

Mark each statement as true or false.
(a) Blood is made in the bones.
(b) All waste products of the body are excreted through the excretory system.
(c) All organs have more than one function.
(d) An organ has only one type of tissue.
(e) An organ system may be made up of tissues and organs.
(f) Different tissues perform different functions in the organs.
(g) A tissue always performs the same function.

Answer 1

(a) True
Blood cells are made in the bone marrow. The bone marrow is the soft, spongy material in the center of the bones.
(b) False
Carbon dioxide is a waste product that is excreted by the respiratory system.
(c) False
Only some organs like the liver have more than one function.
(d) False. An organ is made up of different kinds of tissues.
(e) True

Organs are made from a similar type of tissues whereas the organ system is made up of similar types of organs.
(f) False
Different tissues performing different functions work together to form an organ.
(g) True

A tissue is a group of similar cells performing similar functions. Each tissue has a specific function.