Key Area 2.3- Metabolic Rate

Question 1

Microscopic parts of the gas exchange system in vertebrate lungs.

Answer 1

Alveoli(sing: alveolus)

Question 2

Chamber receiving blood entering a vertebrate heart.

Answer 2

Atrium

Question 3

Double circulation with complete separation of oxygenated and deoxygenated blood(e.g in birds and mammals)

Answer 3

Complete double circulation

Question 4

Blood flows through the heart twice during a full circulation of the body.

Answer 4

Double circulation

Question 5

Double circulation with some mixing of oxygenated and deoxygenated blood( e.g. in amphibians and some reptiles)

Answer 5

Incomplete double circulation

Question 6

Way of life in a habitat with little oxygen present, such as at high altitude or in a deep ocean.

Answer 6

Low-oxygen niche

Question 7

Rate of consumption of energy by an organism.

Answer 7

Metabolic rate

Question 8

Blood flows through the heart once during a full circulation of the body(e.g in fish)

Answer 8

Single circulatory system

Question 9

Chamber of a vertebrate heart that distributes blood

Answer 9

Ventricle

Question 10

Maximum volume of oxygen that can be absorbed by an organism in a period of time.

Answer 10

VO2 max