Biology help please fast..?

[MarkaR8743]

1.What is the role of the circulatory system?a. To break down food and absorb the nutrients into the body. b. To move materials through the body. c. To carry oxygen to the blood and to carry carbon dioxide away from the blood. d. To filter the blood and eliminate waste.2. Homeostasis can include which of the following ideas?a. Maintaining constant weight. b. Maintaining constant temperatures. c. Maintaining a constant pH. d. All of the above. 3. Fat absorption differs from protein and carbohydrate absorption becausea. fats enter lacteals rather than capillaries. b. fats are not broken down before they are absorbed. c. there are no enzymes involved in the breakdown of fats, so they are absorbed as fat molecules. d. glycerol cannot be absorbed by villi.

[NickS0261]

1. b2. d3. ahh, not sure, maybe c

[shad1990]

1. b2. d3. a. It is not c. There are enzymes for fat digestion but fats cannot be absorbed directly. They are coated with small proteins converting into chylomicrons which are absorbed by lacteals.

[spikegirl99990411]

1. b2. d3. a