It has many glands that secrete hormones into the bloodstream. These chemicals are transported throughout the body in blood and bind to target cells that have cell membrane receptors for a specific hormone.
A. Skeletal System
B. Muscular System
C. Endocrine System
D. Reproductive System
Select your answer:

Topics:
Movement The Human Body Enzymes EKG CCMA Joints in our Body Medicinal use of Microorganisims Functional Anatomy in Track & Field Genes, Genomes & Alleles Factors Affecting Health Basic Structure of the Human Body Cell Cycle Problems Vitamins Principle of Health Science Serology/Blood Typing Skeletal SystemOther quiz:
Bone, Spine, and Joint Pathology › Viewcancerous tumor of shaft of long bones; spreads through periosteum; amputation is necessary to prevent metastasis
A. fibrosarcoma
B. chondrosarcoma
C. Ewing’s sarcoma
D. liposarcoma
Adaptive Immune System › View
Once a B cell has been selected via a T Helper cell, it undergoes clonal expansion and differentiation. This means:
A. All B cells that don’t fit the appropriate antigen are destroyed by NK Cells
B. The B Cell is activated and awaits a subsequent encounter with the pathogen before it replicates
C. B cells replicate and produce large numbers of memory cells as well as some plasma cells
D. B cells replicate and produce large numbers of plasma cells as well as some memory cells