★ Your Body Quiz
The average size of an adult heart is about the size of a:
A. fist
B. grapefruit
C. foot
D. kidney bean
Select your answer:
Topics:
Hygiene and Nutrition Cariology Types of Medical Reports Histology - Tissues Absorption, Lymphatic System, and Blood Vessels Gaseous Exchange in Humans Fluid and Electrolytes Weight Management Cell Cycle Problems Reproduction The Cardiovascular System OCR A-level Genetic Diseases Biology for Engineers Kidney - Loop of Henlé TransportationOther quiz:
Histology › ViewWhat type of connective tissue is found at the ends of bones to reduce friction?
A. Cartilage
B. Dense Connective Tissue
C. Adipose Tissue
D. Loose Connective Tissue
Movement › View
What is the purpose of white blood cells?
A. To carry oxygen
B. To protect against infection
C. To speed up digestion
D. To trap dirt and dust