topic 3- metabolic rate Flashcards
1
Q
metabolic rate
A
the sum of all energy an animal uses in a given time
2
Q
basal metabolic rate
A
it keeps the organism alive
3
Q
arteries
A
carry blood away from the heart to organs throughout the body
4
Q
veins
A
the vessels carry blood back to the heart at a low pressure
5
Q
valves
A
prevent the backflow of blood
6
Q
double circulatory system
A
the blood passes through the heart twice in each complete circuit