When a woman is giving birth, the head of the baby pushes against her cervix and stimulates the release of the hormone oxytocin. Oxytocin travels in the blood and stimulates the uterus to contract

Labor contractions become more and more intense until the baby is expelled. This is an example of ________.
A) integration control
B) set point adjustment
C) positive feedback
D) dynamic equilibrium
E) negative feedback


C

Anatomy & Physiology

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Once a helper T-lymphocyte recognizes an antigen, it begins the immune response by secreting chemical signals called

A. antibodies. B. memory T-lymphocytes. C. memory B-lymphocytes. D. immunoglobulins. E. cytokines.

Anatomy & Physiology

Which of the following is the correct complementary strand to CATGTC?

A. TCGTAT B. GTACAG C. GUACAG D. AGCACA E. CATGTC

Anatomy & Physiology

What part of the brain is involved in thermoregulation?

A) thalamus B) midbrain C) pons D) hypothalamus

Anatomy & Physiology

Which nephrons have long nephron loops that extend deep into the medulla?

a) juxtamedullary nephrons b) medullary nephrons c) cortical nephrons

Anatomy & Physiology