Endocrine hormones use the _____ to reach their targets.

Which of the following part of the sperm contains energy (ATP) producing mitochondria?

Chemical communication between animals that affect their behavior is mediated through:

Auditory information is perceived in the:

The product of an oocyte and sperm after fertilization is the:

Which of the following hormones spike to stimulate ovulation or release of oocyte from the ovary?

The ____ lobe receives and process visual information.

Oxytocin can influence complex emotions such as:

Which endocrine gland-hormone relationship controls glucose homeostasis?

Which neuronal type is the most plentiful in the nervous system?