List and describe the functions of blood in the human body.
What will be an ideal response?
1. Transport: blood acquires oxygen in the lungs and distributes it to the tissue cells. It picks up carbon dioxide from the cells and transports it to the lungs. It picks up nutrients from the digestive system and distributes them to the cells.
2. Defense: various blood cell types are capable of defending the body by attacking and destroying invading pathogens.
3. Regulation: blood helps regulate body temperature by picking up heat and transporting it around the body. Plasma contains formed elements that create an osmotic pressure which keeps the liquid content of the blood high.
You might also like to view...
Discuss the reasons why cloning transgenic animals may be preferable over traditional breeding. What are some of the
problems with animal cloning?
What will be an ideal response?What results would you expect if mitochondria are inherited uniparentally from the a strain?
A) Some, but not all, yeast colonies found on the plate without chloramphenicol will also grow on the plate with chloramphenicol. B) All of the yeast colonies on the plate without chloramphenicol will also grow on the plate with chloramphenicol. C) Many yeast colonies will grow on the plate without chloramphenicol and no colonies will grow on the plate with chloramphenicol. D) No colonies will grow on either plate.
The vertebrate kidney helps to keep the acidity of body fluids constant by varying the amount of hydrogen ions (H+) it secretes into the urine. You can confidently predict that this aspect of kidney function will be controlled by
A) a positive feedback mechanism. B) a negative feedback mechanism. C) nerve impulses from the brain. D) a hormone produced in the kidney itself.
The sour flavor in some fermented foods is usually the result of (acetic/benzoic/lactic) acid production.
Fill in the blank(s) with the appropriate word(s).