The difference between blood and interstitial fluid pressure is __ A. Net filtration pressure B. Net hydrostatic pressure C. Net osmotic pressure D. Oncotic pressure

Current Attempt in Progress How do bacteria help us as humans? (Select all that apply) D normal microbiota protects us from infection D aids digestion of cellulose in herbivores D degrades environmenta contaminants generation D increases soil fertility

Most neurons have multiple dendrites. TRUE FALSE

Some smooth muscle is autorhythmic. TRUE FALSE

Urine is a type of sensible water loss. True False

Match the disaccharide One of the molecules is glucose, and the other is fructose square galactose square [Choose] [Choose] sucrose maltose glucose

Multiple Choice Question Visual information is carried in cranial nerve __ IV III I II

Deep-sea microbes obtain energy in a way that challenges traditional beliefs. How do they obtain energy? by using sulfur compounds through photosynthesis through cellular respiration by relying on sunlight

Question 8 (1 point) Pollen cones produce male __ (pollen grains), and seed cones produce female __ (ovules on the cone scales). square

Which of the following systems would provide energy for a racquetball player? the respiratory system the glycolysis system the phosphagen system the anaerobic system glycogen-lactic acid system

Hot Questions

Which of the following types of cells is most responsible for responding to color? Rods Ganglion cells Bipolar cells Cones Optic nerve

Select the correct statement regarding chemical synapses. Neurotransmitter receptors are located on the axons terminals of cells. The synaptic cleft uses the action potential to transmit a chemical signal to the postsynaptic cell. Cells with gap junctions use chemical synapses. The release of neurotransmitter molecules gives cells the property of being electrically coupled.

The __ is a capillary network that produces a blood filtrate that enters the urinary tubules. glomerulus vasa recta interlobar capillary peritubular capillary

Movement of sodium ions into the muscle cell at the neuromuscular junction causes __ A. Repolarization of the muscle cell membrane B. Depolarization of the muscle cell membrane C. Re-uptake of acetylcholine D. Release of acetylcholine

The neurotransmitters dopamine and serotonin are associated with which emotion? fear joy anger

The movement of molecules and ions from the peritubular capillaries into interstitial fluid and then into the nephron tubule iscalled __ a. secretion b. reabsorption c. excretion d. filtration

B lymphocytes are directly responsible for cell-mediated immunity. Select one: True False

In the sequence of events for inspiration, what step happens immediately after contraction of the inspiratory muscles? Air flows into the lungs Intrapulmonary volume increases Thoracic cavity volume increases Intrapulmonary pressure decreases IDONT KNOWYET

Multiple Choice Question Select the statements that best describes the relationship between genes and chromosomes. Genes are variations of chromosomes and can change the structure of the protein product. Genes are composed of long strands of DNA organized into chromosomes. Chromosomes are composed of long strands of DNA organized into chunks called genes. Chromosomes break down to form genes during meiosis so that the genes can be easily separated during gamete formation.

Which cells secrete parathyroid hormone in the parathyroid gland? Hematopoietic cells Chief cells Parietal cells Follicular cells