Biology 1108 Final

Osmoregulation is the process of maintenance of salt and _______________- intake (osmosis balance) across membranes within the body's fluids.

• water

• food

• oxygen

Which organ promotes/conducts osmoregulation?

• Kidneys

• Lungs

• Heart

• Spleen

• Ovaries

_______________ is the process of maintenance of salt and water balance (osmotic balance) across membranes within the body's fluids

• Osmoregulation

• Anti osmoregulation

• Osmosis

True or False: Both electrolytes and non-electrolytes contribute to the osmotic balance.

• True

• False

Sodium, Potassium, calcium, magnesium are _________

• Cations

• Anions

Chloride, Carbonate, bicarbonate, and phosphate are _________

• Cations

• Anions

Cells places in a hypertonic environment tend to shrink due to ________________.

• Loss of water

• Intake of water

• Loss of nutrients

• Intake of nutrients

In a hypotonic environment, cells tend to swell due to _____________________.

• Loss of water

• Intake of water

• Loss of nutrients

• Intake of nutrients

Osomoregulators have evolved mechanisms to adapt to a variety of environments. The "cost" is ___________.

• Energy

• Food

• Water

• Oxygen

_______________- have evolved mechanisms to adapt to a variety of environments

• Osmoregulators

• Osmoconformers