Card 1Q#31
What is the largest organ in the human body?
- A.Brain
- B.Heart
- C.Skin
- D.Liver
Answer C. Skin
Biology10 flashcards
Biology | Set 1
Organs, Blood Cells & Hemoglobin
10 practice flashcards on the largest organ in the body, human chromosome count, hemoglobin and red blood cell function, white blood cells, homeostasis, and mitochondria.
Card 2Q#32
How many chromosomes does a human somatic cell contain?
- A.44
- B.46
- C.23
- D.26
Answer B. 46
Card 3Q#33
What is the function of hemoglobin?
- A.Transports oxygen
- B.Coagulates blood
- C.Destroys bacteria
- D.Prevents anemia
Answer A. Transports oxygen
Card 4Q#34
What is the net passive movement of particles from a region of higher concentration to a region of lower concentration?
- A.Osmosis
- B.Active transport
- C.Facilitated diffusion
- D.Diffusion
Answer D. Diffusion
Card 5Q#35
Which blood cells are primarily responsible for fighting infection?
- A.Red blood cells
- B.White blood cells
- C.Platelets
- D.Plasma
Answer B. White blood cells
Card 6Q#36
What is the primary function of red blood cells?
- A.Fighting infection
- B.Blood clotting
- C.Carrying oxygen
- D.Producing antibodies
Answer C. Carrying oxygen
Card 7Q#37
What is the body's tendency to maintain a stable internal environment called?
- A.Metabolism
- B.Homeostasis
- C.Catabolism
- D.Anabolism
Answer B. Homeostasis
Card 8Q#38
Which organelle is known as the "powerhouse of the cell"?
- A.Nucleus
- B.Ribosome
- C.Mitochondria
- D.Golgi apparatus
Answer C. Mitochondria
Card 9Q#39
What is the function of platelets in the blood?
- A.Carrying oxygen
- B.Fighting infection
- C.Blood clotting
- D.Transporting nutrients
Answer C. Blood clotting
Card 10Q#40
What is the movement of water across a semipermeable membrane from low to high solute concentration called?
- A.Diffusion
- B.Osmosis
- C.Active transport
- D.Filtration
Answer B. Osmosis
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