8x2 Revision - Organisms

8x2 Revision - Organisms

Organisation

Order the following from smallest to largest

Smallest

Largest

Cell

Tissue

Organ

Organ System

Organism

Which of the following is the basic unit of life?

1. Organ
2. Organism
3. Cell
4. Tissue

A tissue is:

1. A group of similar cells with the same function
2. The smallest unit of life
3. Two or more structures working together
4. A group of different cells with the same function

Match up the term to its definition

the basic unit of life

groups of tissues performing a specific function

groups of organs working together to form an organism

Organ

Organ System

Cell

Name an organ system found in humans

Which of these is NOT a human organ system?

1. Respiratory
2. Reproductive
3. Shoot
4. Skeletal

Correctly label the organ system

Respiratory

Muscular

Nervous

Digestive

Circulatory

Skeletal

The Digestive System

Digestion is the process of breaking down (A) _____, ________ molecules into (B) _____, _________ molecules

1. (A) large, soluble (B) small, insoluble
2. (A) large, insoluble (B) small, soluble
3. (A) large, rough (B) small, smooth
4. (A) small, hard (B) tiny, soft

Which of the following means soluble?

1. Can be excreted
2. Cannot be dissolved
3. Can be dissolved
4. Can be swallowed

Name an organ in the digestive system

Which of these describes the mouth?

1. A tube connecting to the stomach
2. It produces saliva
3. It removes water from food
4. It contains acid

Which of the following describes the function of the small intestine?

1. It removes water from food
2. It stores faeces
3. It's muscles mix food
4. It is the main site of digestion

Label the organs of the digestive system

Mouth

Anus

Large Intestine

Small Intestine

Oesophagus

Stomach

Rectum

Which organ has this function?

To push out faeces

1. Rectum
2. Large Intestine
3. Oesophagus
4. Anus

Which organ has this function?

To remove water from waste

1. The large intesine
2. The anus
3. The small intesine
4. The rectum

Which organ contains all three types of enzyme?

1. The mouth
2. The stomach
3. The small intestine
4. The large intestine

Match the enzyme to the food it digests

Lipids/fats

Carbohydrates

Proteins

Protease

Carbohydrase

Lipase

Lipid/Fat Digestion

Water and lipids/fats do NOT mix

They form globules that field themselves from water (and enzymes)

The liver produces bile to emulsify (break up) the fats

Lipids/fats mix well
True or False

1. True
2. False

What is the term used for when bile breaks up fats/lipids?

Food Tests

Breathing and Gas Exchange