NSWA Structural Organisation Of Body Systems

Question 1

What is metabolism?

Answer 1

• The process in which the body turns what you consume into energy.
• Energy and heat

Question 2

What are cells?

Answer 2

• Smallest functioning unit of life.
• basic building blocks of human life.
• in the absence of 02 the cell will die.

Question 3

Mitochondria

Answer 3

• powerhouse of the cell
• produces energy
• glucose and oxygen in = production of ATP

• 36 ATP with oxygen present

Question 4

Nucleus

Answer 4

• Control centre
• contains the cell DNA

Question 5

Sodium

Answer 5

WHERE Na+ GOES, WATER FOLLOWS

• conducts nerve impulses, contracts muscle, maintains balance of water and minerals.

Question 6

Cell membrane

Answer 6

1. Surrounds the plasma membrane
2. Structural support
3. regulation of exchanges in the environment
4. sensitivity

Has gaps, channels and pumps → pumps require ATP to operate

Question 7

ATP

Answer 7

Fuel that drives every energy process in the body