Human biology I
Bronchi - large tubules that branch from the trachea to carry air in and out of the lungs. Capillaries - the smallest blood vessels found in very rich networks between arteries and veins; the site where many substances are exchanged. Antibodies - a specific protein produced by B lymphocytes that attaches to an antigen and leads to its removal.
◂Biology Worksheets and Study Guides High School. Human biology I
Worksheet/Answer key
Human biology I 
Worksheet/Answer key
Human biology I Worksheet/Answer key
Human biology I Worksheet/Answer key
Human biology I Vocabulary/Answer key
Human biology I Vocabulary/Answer key
Human biology I Vocabulary/Answer key
Human biology I Vocabulary/Answer key
Human biology I Vocabulary/Answer key
Human biology I Vocabulary/Answer key
Human biology I Vocabulary/Answer key
Human biology I
Worksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
LIFE SCIENCE (NGSS)
From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can:
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.