A membrane-bound organelle in the cytoplasm of most cells containing various hydrolytic enzymes that function in intracellular digestion.溶酶体：一种被膜包住的小器官，存在于大多数细胞的细胞质中，内含多种水解酶，在细胞内消化中起作用
These synapses are specialized areas of contact in which signals are sent and received between two neurons. Active neurons release chemical signals, or neurotransmitters, at synapses, which travel acr
In this activity you will explore development across the life span. The process begins during the period between conception and birth, as the fetus emerges from a one-celled organism to a full-te
In this activity you will explore some of the key events, publications, and perspectives that have shaped psychology from the late 19th century to the present. Learning this information will help you
