The cardiovascular system consists of

a. the heart and coronary arteries.

b. the heart, blood vessels, and lymph vessels.

c. blood, blood vessels, and the heart.

d. blood, blood vessels, the heart, lymph, lymph vessels, and lymphatic tissues.

The concentration of nitrates is often higher in plant roots than it is in the soil around them. Plants maintain this difference in concentration through (1) active transport (3) excretion (2) diffusion (4) coordination

Why is warm water used when making starch solution

What are the four different variations of these monomers (four different bases)

What is the nextstep in the scientific method, following data collection?

A (n) occurs during the design process when one benefit is given up in order to obtain another.

Flattened membranes that package cellular substances for export are called

Which type of mindset do you have if you have high self-efficacy? Question 9 options: a fixed mindset a growth mindset

Enzymes work best at?

Which technique is used to separate the different cell parts?

How do scientists know that the universe is expanding? The Doppler effect shows stars with yellow shifted light The Doppler effect shows stars with green shifted light The Doppler effect shows stars with red shifted light The Doppler effect shows