The genetic makeup of an organism is its ____________. The physical manifestation of those genes is its ____________.
Click the area that blood exits the primitive heart.
Click the area that blood exits the primitive heart.
In what direction would you expect water to flow relative to…
In what direction would you expect water to flow relative to the cell?
Which of the following molecules can most easily cross the p…
Which of the following molecules can most easily cross the plasma membrane?
In fetal circulation, what connects the pulmonary artery to…
In fetal circulation, what connects the pulmonary artery to the aorta?
Which of the following is no longer needed after birth?
Which of the following is no longer needed after birth?
Click the area of the bulbus cordis.
Click the area of the bulbus cordis.
The __________ and __________ will form from the division of…
The __________ and __________ will form from the division of the truncus arteriosus.
What is the caudal region of the primitive heart called?
What is the caudal region of the primitive heart called?
The sinus venosus receives blood returning from what?
The sinus venosus receives blood returning from what?