Gas Exchange And Circulation - Biological Science | Biology+

Course

Biology Science

Study Pack

Set 1: Biology and the Tree of Life

Set 2: Water and Carbon: the Chemical Basis of Life

Set 3: Protein Structure and Function

Set 4: Nucleic Acids and the Rna World

Set 5: An Introduction to Carbohydrates

Set 6: Lipids, Membranes, and the First Cells

Set 7: Inside the Cell

Set 8: Energy and Enzymes

Set 9: Cellular Respiration and Fermentation

Set 10: Photosynthesis

Set 11: Cellcell Interactions

Set 12: The Cell Cycle

Set 13: Meiosis

Set 14: Mendel and the Gene

Set 15: Dna and the Gene: Synthesis and Repair

Set 16: How Genes Work

Set 17: Transcription, Rna Processing, and Translation

Set 18: Control of Gene Expression in Bacteria

Set 19: Control of Gene Expression in Eukaryotes

Set 20: The Molecular Revolution: Biotechnology and Beyond

Set 21: Gene Structure and Development

Set 22: Evolution by Natural Selection

Set 23: Evolutionary Processes

Set 24: Speciation

Set 25: Phylogenies and the History of Life

Set 26: Bacteria and Archaea

Set 27: Protists

Set 28: Green Algae and Land Plants

Set 30: An Introduction to Animals

Set 31: Protostome Animals

Set 32: Deuterostome Animals

Set 33: Viruses

Set 34: Plant Form and Function

Set 35: Water and Sugar Transport in Plants

Set 36: Plant Nutrition

Set 37: Plant Sensory Systems, Signals, and Responses

Set 38: Plant Reproduction and Development

Set 39: Animal Form and Function

Set 40: Water and Electrolyte Balance in Animals

Set 41: Animal Nutrition

Set 42: Gas Exchange and Circulation

Set 43: Animal Nervous Systems

Set 44: Animal Sensory Systems

Set 45: Animal Movement

Set 46: Chemical Signals in Animals

Set 47: Animal Reproduction and Development

Set 48: The Immune System in Animals

Set 49: An Introduction to Ecology

Set 50: Behavioural Ecology

Set 51: Population Ecology

Set 52: Community Ecology

Set 53: Ecosystems and Global Ecology

Set 54: Biodiversity and Conservation Biology

Set 42 Gas Exchange And Circulation

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Set 42 Gas Exchange And Circulation

(Multiple Choice)

Free

Why is it more difficult to obtain enough oxygen via respiration from water than from air?

A) The density of water makes ventilating the respiratory tissues more difficult.
B) The viscosity of water is less than that of air.
C) The solubility of oxygen in water is less than in air.
D) All of the above answers apply.
E) Only A and C apply.

Answer

(Multiple Choice)

Free

When you are jogging, your muscles are using more oxygen and releasing more carbon dioxide into the blood than when you are at home on the couch. Which of the following would occur during your jog?

A) The concentration of bicarbonate ions HCO₃^-) in the blood would decrease.
B) Blood pH would increase by at least 1 pH unit.
C) The medullary respiratory center would increase the rate of breathing.
D) All of the above answers apply.

Answer

(Multiple Choice)

Free

Which of the following is NOT a feature of gas exchange in the respiratory system of birds?

A) The flow of air through the lungs is one way.
B) Gas exchange occurs during both inhalation and exhalation.
C) The exchange of gases between parabronchi and blood is in a countercurrent direction.
D) The dead space within the respiratory system is small compared to that in mammals.

Answer