___________ is mainly responsible for secondary sex characteristics and egg maturation.

A) Estrogen
B) Progesterone
C) Testosterone
D) Prolactin
E) Oxytocin


Answer: A) Estrogen

Anatomy & Physiology

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The trochlear notch of the ulna articulates with the ________ of the humerus.

A. trochlea B. olecranon fossa C. capitulum D. intertubercular sulcus E. head

Anatomy & Physiology

Blood pressure in arteries is higher than the blood pressure in capillaries. Blood flows from arteries to capillaries due to the presence of a:

A) homeostatic imbalance. B) positive feedback loop. C) negative feedback loop. D) pressure gradient.

Anatomy & Physiology

Ossification that involves replacing cartilage with bone is ________.

A. intramembranous B. interstitial C. osteomalacia D. appositional E. endochondral

Anatomy & Physiology

One of the characteristics of muscle tissue is that is has extensibility. Which of the following best describes this characteristic?

A) Muscles contract when stimulated. B) Muscles have local electrical charges that move along the muscle fiber. C) Muscles only pull; they cannot push. D) Muscles can stretch when needed.

Anatomy & Physiology