★ Circulation and Excretion Quiz
What organism has blood that flows directly form the respiratory organs to the body tissues without returning to the heart first?
A. amphibians
B. fish
C. humans
Select your answer:

Topics:
Infection Detection Germs & Diseases The Teeth Receptors Immunity in Humans Skin Diseases Respiratory Diseases Biochemistry Vocabulary Transportation Hematology Acute Leukemias Bacteria & Disease History of Medicine Nucleic Acids Ankle, Foot, & LL - Injuries Muscle TissuesOther quiz:
Multicellular Organisms › ViewWhich type of organism is described as having single cells that manage all activities?
A. Multicellular
B. Eukaryotes
C. Prokaryotes
D. Complex organisms
Health and Hygiene › View
Which one of the following is an unhealthy habit _____________
A. Sharing food
B. Bathing twice a day
C. Drinking boiled water
D. Eating without washing one’s hand