This is lung tissue. What cell type is the arrow pointing at… This is lung tissue. What cell type is the arrow pointing at? Read Details
Varicose veins and hemorrhoids occur because… Varicose veins and hemorrhoids occur because… Read Details
Which layer of a blood vessel is composed of epithelial tiss… Which layer of a blood vessel is composed of epithelial tissue? Read Details
Pacemaker cells require a signal from the brain to depolariz… Pacemaker cells require a signal from the brain to depolarize. Read Details
Blood pressure is controlled by contraction and dilation of… Blood pressure is controlled by contraction and dilation of… Read Details
The arrow is pointing at a respiratory space in the lung tha… The arrow is pointing at a respiratory space in the lung that has a simple squamous epithelium. What region of the lung is the arrow pointing at? Read Details
What is special about the pacemaker (SA node) cells? What is special about the pacemaker (SA node) cells? Read Details
In total how many lobar/secondary bronchi are there? In total how many lobar/secondary bronchi are there? Read Details
