Biology

Question 1

Vad är en stamcell?

Answer 1

En cell som kopierar sig själv och utvecklas till olika specialiserade celler i kroppen.

Question 2

Cell –> ? –> ? –> ?

Answer 2

Cell –> Tissue –> Organ –> Organ system

Question 3

What are carbohydrates made of?

Answer 3

Long chains of small identical sugar molecules.

Question 4

What are proteins made of?

Answer 4

Long chains of non-identical small molecules called amino acids.

Question 5

What are fats made of?

Answer 5

Fat molecules that contain fatty acids and glycerol

Question 6

What are the arteries used for?

Answer 6

They carry blood away from the heart.

Question 7

What are veins used for?

Answer 7

Veins carry blood to the heart

Question 8

What are capillaries?

Answer 8

One cell thick arteries that exchange CO2, nutrients and oxygen with cells

Question 9

What is the job of white blood cells?

Answer 9

They kill any unwanted micro-organisms

Question 10

What is needed for the cellular respiration and what is produced from it?

Answer 10

Oxygen is needed to break down glucose (sugar) and release energy.
The waste products of this process are carbon dioxide and water