Unit 1: Marathon Runner Notes (week 1 & 2)

What is the process that occurs in the mitochondria and creates ATP for organisms to use to perform life functions?

• Cellular respiration

• Photosynthesis

• Fermentation

• Transcription

Which of the following is NOT a life function listed under cellular respiration?

• Metabolism

• Regulation

• Photosynthesis

• Excretion

All living organisms go through cellular respiration.

• True

• False

Cellular respiration supports which three life functions?

• Growth, repair, and movement

• Digestion, excretion, and photosynthesis

• Reproduction, transpiration, and fermentation

• Osmosis, diffusion, and evaporation

In the process of cellular respiration, which two substances enter the mitochondria?

• Glucose and oxygen

• Carbon dioxide and water

• ATP and NADH

• Lactic acid and ethanol

What are the products of cellular respiration?

• Carbon dioxide, water, and energy

• Oxygen, glucose, and energy

• Glucose, water, and oxygen

• Carbon dioxide, glucose, and water

A feedback mechanism is the way living things keep balance in the body by using signals that tell processes to speed up or slow down.

• True

• False

What happens to your body temperature if you get too hot?

• You sweat to cool down.

• Your body freezes.

• You stop breathing.

• Your heart stops beating.

After you eat, which hormone lowers sugar in your blood?

• Insulin

• Glucagon

• Adrenaline

• Cortisol

Match the following components of a feedback mechanism with their roles:

• Detects changes and sends information

• Control Center

• Processes the information and sends instructions

• Effector

• Receives the signal and responds

• Receptors