Which phase of blood-clotting involves smooth muscle contractions in a broken blood vessel?

a. Vascular spasm

b. Coagulation

c. Platelet plug formation

d. Fibrin formation

The nucleus is the cell as A) The bones are to a human B) The heart is to human C) The muscles are to a human D) The brain is to a human

A benefit of aquaculture is which of the following? The increased cost of fish. The potential hazards of working around captive fish. The elimination of catching marine life other than the intended fish. The elimination of jobs for fisherman.

Which type of bean triggers favism, the destruction of red blood cells in genetically predisposed individuals?

In plants, simple sugars are least likely to be

A eukaryotic decomposer with a cell wall made of chitin is associated with which of the following Eubacteria Protista Archaebactria Fungi

If a volcano were to erupt and release large amounts of ash into the air, how would this affect the climate on Earth? a. The ash would increase the greenhouse gases, thus increasing temperature. b.

What is the purpose of implantation pregnany?

Ivy starts to get into the hot tub, but the water feels extremely hot. She stands in the water for a few moments, then slowly eases the rest of her body down into the water.

The differences between hashimotos' thyroiditis and grave's disease include b. only hashimoto's is a type ii hypersensitivity a. only grave's disease is an autoimmune disease c.

How could natural selection lead to evolution?