Examlex
Enzymes are specialized protein molecules found in all living cells.
Foramen Ovale
An opening in the septum between the two atria of the heart in a fetus, which normally closes soon after birth.
Fetal Circulation
The circulatory system in a fetus that includes special structures like the umbilical cord, ductus arteriosus, and foramen ovale, facilitating the exchange of oxygen and nutrients between the fetus and mother.
Arterial Duct
A blood vessel in fetuses that connects the pulmonary artery to the descending aorta, allowing blood to bypass the lungs.
Umbilical Cord
Cord connecting the fetus to the placenta, through which blood vessels pass.
Q21: Osteoclasts do their work during the resorption
Q24: Older persons may use more seasoning on
Q25: reproduces human beings<br>A)skeletal<br>B)muscular<br>C)digestive<br>D)respiratory<br>E)circulatory<br>F)excretory<br>G)nervous<br>H)endocrine<br>I)reproductive<br>J)integumentary
Q30: The muscle on the back of the
Q33: Lucas is three years old.Based on what
Q44: An orderly series of steps in which
Q47: The _ plane divides the body into
Q65: In a classic study on this topic,
Q70: Repression can be defined as the forgetting
Q80: The "labor-in-vain" effect refers to:<br>A)the observation that