The maternal contribution to the placenta is the ________.

A. yolk sac
B. chorionic villi
C. chorion frondosum
D. decidua basalis


Answer: D

Anatomy & Physiology

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Nitrogen atoms can form a maximum of four covalent bonds with other atoms.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which of the following structures store calcium ions that trigger skeletal muscle contraction?

A. Mitochondria B. Myofibrils C. T tubules D. Sarcoplasmic reticulum E. Synaptic vesicles

Anatomy & Physiology

Define basal metabolic rate (BMR) and list the six factors affecting BMR.

What will be an ideal response?

Anatomy & Physiology

Which of these statements about ion movement through the plasma membrane is true?

A) Movement of Na+ out of the cell requires energy (ATP). B) When Ca2+ binds to proteins in ion channels, the diffusion of Na+ into the cell is inhibited. C) There are specific ion channels that regulate the diffusion of Na+ through the plasma membrane. D) All of the above.

Anatomy & Physiology