A nurse has to take care not to_____air into the bloodstream of her patients.

The _____ system is the system of glands that produce hormones for the bloodstream, such as the pituitary or thyroid glands.

The _____ system is the system of glands that produce hormones for the bloodstream, such as the pituitary or thyroid glands.

A globular particle, containing lipids and proteins, that transports lipids between tissues via the bloodstream is a/an _______ _.

中国大学MOOC: If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs.

Task: Audio-visual Exercises AV Clip 4: AV 4.mp4 Watch the second part of the video clip and fill in each blank with the number mentioned in the video. When food is ingested, it travels along the (1) _____________where it is broken down into its (2) ___________________in order to be absorbed into the bloodstream. One such nutrient is (3) _______________, a simple sugar. Glucose gets absorbed by the stomach and (4) ________________and then enters the bloodstream. It travels through the (5) _____________ to all body cells. Once absorbed into the bloodstream, glucose circulates, causing the blood sugar level to rise. An increased level of blood sugar sends a signal to the (6) _________________ which respond by secreting the hormone insulin into the circulation. Insulin is necessary for glucose to reach and be used by several important (7) _______________tissues throughout the body. These include the liver muscle and (8) _____________ . Insulin is necessary to keep blood glucose levels stable in the body. Glucose enters the cell through a process called facilitated diffusion./js/editor20150812/dialogs/attachment_new/fileTypeImages/icon_default.gif

The _____ system is the system of glands that produce hormones for the bloodstream, such as the pituitary or thyroid glands. A: exocrine B: endotoxin C: exotoxin D: endocrine

If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs. A: exhale B: inhale C: export D: import

The _______ plays a central processing and distribution role in metabolism and furnishes all other organs and tissues with an appropriate mix of nutrients via the bloodstream. A: live B: ain C: adipose tissues D: skeletal muscles

_________ are small molecules or proteins that are produced in one tissue, released into the bloodstream, and carried to other tissues, where they act through specific receptors to bring about changes in cellular activities. A: Sugars B: Hormones C: Lipids D: Nucleotides