★ Nervous and Endocrine System Quiz
A hormone is
A. a chemical substance produced by a gland and carried by the lymph.
B. an enzyme produced by a gland and carried by the blood.
C. a chemical substance produced by an organ and carried by the blood.
D. a chemical substance produced by a gland and carried by the blood.
Select your answer:
Topics:
Diseases of Digestive System Illness and Symptoms Integumentary and Musculoskeletal System Infant Nutrition Neuron Structure Wellness & Influences Eye Histology Brain/Neuron Anatomy Biological Molecules The Respiratory System Foodborne Illness Obstructive Lung Disease Human Eye and Colorful World Animal Nutrition MacromoleculesOther quiz:
Life Processes › ViewThe upward movement of water from Roots to stem is called
A. Transpiration pull
B. Translocation
C. Ascent of sap
D. Evaporation
Muscular System › View
Which type of muscle tires quickly during exercise?
A. skeletal muscle
B. breathing muscle
C. cardiac muscle
D. smooth muscle