Histology: Identify specifically what “A” represents in the below histology slide   

The ventricles are the lower chambers in the heart.

The volume of air moved in a single respiratory cycle is called

The urethra transports urine from the urinary bladder to the outside of the body.

The flap-like structure that prevents food from entering the larynx is called the

The major vein that drains blood from the head is the

In the process of ________, two substances are moved across a cell membrane in the same direction without directly using cellular energy. One of the substances can be moved against a concentration gradient by this process.

Which of the following changes does not occur at birth when an infant takes his or her first breaths?

Histology: The cell fragments which are seen next to the “t” are platelets (thrombocytes).   

The ________ extends from the sixth cervical vertebra to the fifth thoracic vertebra.