During implantation, the trophoblast divides into a deep layer called the ________, which is composed of individual cells.

A. amnion
B. cytotrophoblast
C. chorion
D. syncytiotrophoblast
E. embryoblast


Answer: B

Anatomy & Physiology

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A/an __________ is a cat with three colors of fur and is usually female

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following vitamins is needed to promote muscle growth, and may reduce the risk of Parkinson's disease?

A) Vitamin K B) Vitamin E C) Vitamin C D) Vitamin D

Anatomy & Physiology

This figure shows the humerus. What is the feature indicated by number 6?

A.   Capitulum B.   Trochlea C.   Head D.   Medial condyle E.   Lateral condyle

Anatomy & Physiology

Which of the following would not be a possible cause of sickling of red blood cells in someone with sickle-cell anemia?

A) malaria B) vigorous exercise C) prolonged exposure to cold D) travel at high altitude

Anatomy & Physiology