The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
The Cell Cycle
The ribosomes themselves are composed of RNA strands.
Steps in the humoral and cell-mediated immune responses.
The immune response results from activation of the humoral and cell-mediated immune systems
A diagram of a generalized human cell
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from