Body systems

Question 1

What does the saliva do?

Answer 1

Mositen food to make easier to swallow

Question 2

Components of circulatory system

Answer 2

1. Arteries
2. Veins
3. Capillaries

Question 3

Functions of the skelaton

Answer 3

1. Give shape and provide support
2. Protect interal organs
3. Allow movement

Question 4

Function of ligaments

Answer 4

Connect bones to bones

Question 5

Function of tendons

Answer 5

Attach muscle to bone

Question 6

Function of Muscles

Answer 6

Generate movement by contracting & relaxing

Question 7

Excratory role of the lungs

Answer 7

Remove carbon dioxide and water

Question 8

Excratory role of the kidneys

Answer 8

Removes urea, salt and water

Question 9

What does the excratory system do

Answer 9

Removes bodys waste

Question 10

Parts of excratory system

Answer 10

1. Lungs
2. Skin
3. Kidney
4. Liver

Question 11

Function of cappillaries

Answer 11

Connect arteries to veins, allowing the exchange of oxygen, nutrients & waste products.

Question 12

Function of veins

Answer 12

Carry oxygen-poor blood from the bodys tissue back to the heart.

Question 13

Function of arteries

Answer 13

Carry oxygen-rich blood away from the heart to tissues around body

Question 14

Function of heart

Answer 14

Pumps oxygen-poor blood to the lungs for oxygenation, then pumps it around the body.

Question 15

Blood carries

Answer 15

1. Food to all cells
2. Oxygen to all cells
3. Waste away from cells
4. Heat to regulate body temperature
5. Cells that fight disease

Question 16

Main organ in the respiratory system

Answer 16

The lungs

Question 17

Define breathing

Answer 17

Draws air into the lungs and forces waste out

Question 18

Define respiration

Answer 18

Extracts oxygen and allows it to pass into bloodstream

Question 19

Mechanical digestion

Answer 19

When food is broken down physically into smaller peices

Question 20

Chemcial digestion

Answer 20

Complex foods are broken down into simpler chemicals

Question 21

What does the pancreas do

Answer 21

Produces pancreatic juices which break down carbohydrates, protiens and fats

Question 22

What does the liver do

Answer 22

Produces bile which is responsible for the mechanical digestion of fats.

Question 23

What do the large intestines do

Answer 23

Allows water and other nutrients to be reabsorbed into the body

Question 24

What is the first section of the small intestine

Answer 24

The duodenum

Question 25

What is the second section of the small intestine

Answer 25

The ilium

Question 26

The nutrients absorbed by the small intestine are;

Answer 26

1. Fatty acids and glycerol
2. Amino acids
3. Glucose

Question 27

What is digestion

Answer 27

Breaking down food into a usable form and making nutrients available