Blood cells are
in shape because they lack a nucleus.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.

Do anyone know who mrs leddy is from duval charter if so me on the homework for 40 points