Answer the below question choosing either a, b,c, d

Which of the following shows the changes that occur in the cardiovascular system during physical activity?

a) Increased heart rate, increased blood pressure, increased respiration rate

b) Increased heart rate, decreased blood pressure, increased respiration rate

c) Decreased heart rate, increased blood pressure, increased respiration rate

d) Decreased heart rate, decreased blood pressure, decreased respiration rate

b. to discover aspects of the natural world.

hopefully i .

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.