Márcia Ruivo

Márcia Ruivo

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Márcia Ruivo
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Cell Membranes Function, Structure and Composition: What is a Cell Membrane?

Cell Membranes Function, Structure and Composition: What is a Cell Membrane?

sa node | SA NODE ACTION POTENTIAL

sa node | SA NODE ACTION POTENTIAL

membrane potential as time passes in an action potential

membrane potential as time passes in an action potential

Nerve Impulse Transmission within a Neuron: Action Potential

Nerve Impulse Transmission within a Neuron: Action Potential

Neurotransmitters are chemical messengers secreted by neurons that activate an adjacent cell. Neurotransmitters are secreted into a synaptic cleft, rather than into the bloodstream.

Neurotransmitters are chemical messengers secreted by neurons that activate an adjacent cell. Neurotransmitters are secreted into a synaptic cleft, rather than into the bloodstream.

Figure 5.1. Electrical and chemical synapses differ fundamentally in their transmission mechanisms.

Figure 5.1. Electrical and chemical synapses differ fundamentally in their transmission mechanisms.

Figure 5.1. Electrical and chemical synapses differ fundamentally in their transmission mechanisms.

Figure 5.1. Electrical and chemical synapses differ fundamentally in their transmission mechanisms.

Synapse

Synapse

niños africanos ojos

niños africanos ojos

Pass this adorable duckling pic on to a friend you haven't been in contact with for awhile. Let them know they haven't been forgotten.

Pass this adorable duckling pic on to a friend you haven't been in contact with for awhile. Let them know they haven't been forgotten.

Google+

Google+

Hutchinson-Gilford Progeria Syndrome: This syndrome is caused by mutations in the LMNA gene that result in the production of an abnormal version of the lamin A protein. The altered protein makes the nuclear envelope unstable and progressively damages the nucleus, making cells more likely to die prematurely. The disease causes premature aging and severe hardening of the arteries beginning in childhood. This condition greatly increases the chances having a heart attack or stroke at a young…

Hutchinson-Gilford Progeria Syndrome: This syndrome is caused by mutations in the LMNA gene that result in the production of an abnormal version of the lamin A protein. The altered protein makes the nuclear envelope unstable and progressively damages the nucleus, making cells more likely to die prematurely. The disease causes premature aging and severe hardening of the arteries beginning in childhood. This condition greatly increases the chances having a heart attack or stroke at a young…

Approximately one person in 17,000 is born with albinism, while albino black people are even more rare.

Approximately one person in 17,000 is born with albinism, while albino black people are even more rare.

A bizarra ovelha aranha com 7 pernas

A bizarra ovelha aranha com 7 pernas

Real People From American Horror Story Freak Show | POPSUGAR Entertainment

Real People From American Horror Story Freak Show | POPSUGAR Entertainment

HowStuffWorks "Real Werewolves" Fajardo Aceves Jesus Manuel, from Mexico, has congenital hypertrichosis. TAO-CHUAN/YEH/AFP/Getty Images

HowStuffWorks "Real Werewolves" Fajardo Aceves Jesus Manuel, from Mexico, has congenital hypertrichosis. TAO-CHUAN/YEH/AFP/Getty Images